https://claude.com/claude 2026-06-03T18:42:42.421946+00:00 Anthropic python-feedgen Claude product updates: the Claude blog, Claude Code (what's-new and changelog), Claude Apps release notes, and Claude Platform release notes and system prompts. https://claude.com/blog/best-practices-for-getting-started-with-claude-cowork 2026-06-03T00:00:00+00:00 Best practices for getting started with claude cowork 2026-06-03T00:00:00+00:00 https://claude.com/blog/lessons-from-building-claude-code-how-we-use-skills 2026-06-03T00:00:00+00:00 Lessons from building claude code how we use skills 2026-06-03T00:00:00+00:00 https://claude.com/blog/how-anthropic-enables-self-service-data-analytics-with-claude 2026-06-03T00:00:00+00:00 How anthropic enables self service data analytics with claude 2026-06-03T00:00:00+00:00 https://claude.com/blog/running-an-ai-native-engineering-org 2026-06-03T00:00:00+00:00 Running an ai native engineering org 2026-06-03T00:00:00+00:00 https://code.claude.com/docs/en/changelog#2-1-161 2026-06-02T22:08:49+00:00 2.1.161 2026-06-02T22:08:49+00:00 https://code.claude.com/docs/en/changelog#2-1-160 2026-06-02T02:18:10+00:00 2.1.160 2026-06-02T02:18:10+00:00 https://claude.com/blog/a-harness-for-every-task-dynamic-workflows-in-claude-code 2026-06-02T00:00:00+00:00 A harness for every task dynamic workflows in claude code 2026-06-02T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#june-2-2026 2026-06-02T00:00:00+00:00 The advisor tool now supports a max tokens parameter to cap the advisor model's output per call, reducing latency and output token cost for workloads that don't need full-length advisor responses. Set tools[].max tokens on the advisor tool definition; see Capping advisor output. 2026-06-02T00:00:00+00:00 https://code.claude.com/docs/en/changelog#2-1-159 2026-05-31T19:47:03+00:00 2.1.159 2026-05-31T19:47:03+00:00 https://code.claude.com/docs/en/whats-new#week-21 2026-05-30T18:06:14+00:00 Week 21 2026-05-30T18:06:14+00:00 https://code.claude.com/docs/en/whats-new#week-22 2026-05-30T18:06:14+00:00 Week 22 2026-05-30T18:06:14+00:00 https://code.claude.com/docs/en/changelog#2-1-158 2026-05-30T06:59:44+00:00 2.1.158 2026-05-30T06:59:44+00:00 https://code.claude.com/docs/en/changelog#2-1-157 2026-05-29T20:27:29+00:00 2.1.157 2026-05-29T20:27:29+00:00 https://code.claude.com/docs/en/changelog#2-1-156 2026-05-29T01:51:54+00:00 2.1.156 2026-05-29T01:51:54+00:00 https://platform.claude.com/docs/en/release-notes/overview#may-29-2026 2026-05-29T00:00:00+00:00 Claude Managed Agents webhooks, multiagent orchestration, and self-hosted sandboxes are now available on Claude Platform on AWS. See IAM actions for Claude Platform on AWS for the new IAM actions and the AnthropicSelfHostedEnvironmentAccess managed policy. 2026-05-29T00:00:00+00:00 https://code.claude.com/docs/en/changelog#2-1-154 2026-05-28T18:53:03+00:00 2.1.154 2026-05-28T18:53:03+00:00 https://code.claude.com/docs/en/changelog#2-1-153 2026-05-28T01:00:17+00:00 2.1.153 2026-05-28T01:00:17+00:00 https://platform.claude.com/docs/en/release-notes/overview#may-28-2026 2026-05-28T00:00:00+00:00 We've launched ( ), our most capable generally available model. supports a 1M token context window by default, 128k max output tokens, and the same set of tools and platform features as Claude Opus 4.7. See What's new in for capability improvements, new features, and migration guidance. We've launched mid-conversation system messages. On , you can send role: "system" messages at non-first positions in the messages array, preserving prompt cache hits when instructions change during a long-running 2026-05-28T00:00:00+00:00 https://support.claude.com/en/articles/12138966-release-notes#h_a467350ea5 2026-05-28T00:00:00+00:00 Claude Opus 4.8 launch We’ve upgraded Claude Opus to a new version. Claude Opus 4.8 shows improvements over Opus 4.7 in coding, agentic skills, reasoning, and practical knowledge work tasks. For more information, see our blog post: Introducing Claude Opus 4.8 . Enterprise plans can manage connector access with custom roles We added connector permissions to extend the existing custom roles framework and allow administrators to control which connectors, and which individual tools on those connect 2026-05-28T00:00:00+00:00 https://claude.com/blog/introducing-dynamic-workflows-in-claude-code 2026-05-28T00:00:00+00:00 Introducing dynamic workflows in claude code 2026-05-28T00:00:00+00:00 https://code.claude.com/docs/en/changelog#2-1-152 2026-05-27T01:35:39+00:00 2.1.152 2026-05-27T01:35:39+00:00 https://claude.com/blog/zero-trust-for-ai-agents 2026-05-27T00:00:00+00:00 Zero trust for ai agents 2026-05-27T00:00:00+00:00 https://claude.com/blog/how-coderabbit-used-claude-to-build-an-agent-orchestration-system 2026-05-27T00:00:00+00:00 How coderabbit used claude to build an agent orchestration system 2026-05-27T00:00:00+00:00 https://claude.com/blog/using-llms-to-secure-source-code 2026-05-27T00:00:00+00:00 Using llms to secure source code 2026-05-27T00:00:00+00:00 https://claude.com/blog/code-w-claude-london-2026-rethinking-how-we-build 2026-05-26T00:00:00+00:00 Code w claude london 2026 rethinking how we build 2026-05-26T00:00:00+00:00 https://code.claude.com/docs/en/changelog#2-1-150 2026-05-23T04:12:26+00:00 2.1.150 2026-05-23T04:12:26+00:00 https://code.claude.com/docs/en/changelog#2-1-149 2026-05-22T22:25:09+00:00 2.1.149 2026-05-22T22:25:09+00:00 https://code.claude.com/docs/en/changelog#2-1-148 2026-05-22T01:21:48+00:00 2.1.148 2026-05-22T01:21:48+00:00 https://claude.com/blog/how-anthropics-finance-team-uses-claude-to-shape-the-narrative-behind-the-numbers 2026-05-22T00:00:00+00:00 How anthropics finance team uses claude to shape the narrative behind the numbers 2026-05-22T00:00:00+00:00 https://code.claude.com/docs/en/changelog#2-1-147 2026-05-21T20:46:43+00:00 2.1.147 2026-05-21T20:46:43+00:00 https://support.claude.com/en/articles/12138966-release-notes#h_1dae2a0c65 2026-05-21T00:00:00+00:00 Claude now works with more security and compliance tools We introduced Claude Compliance API integrations with notable security and compliance tools. Now IT and security teams can govern Claude across our platform and suite of products, the same way they govern other applications in their stack. Learn how to get started with Claude Compliance API integrations . 2026-05-21T00:00:00+00:00 https://claude.com/blog/how-our-partners-are-putting-opus-to-work-for-cybersecurity 2026-05-21T00:00:00+00:00 How our partners are putting opus to work for cybersecurity 2026-05-21T00:00:00+00:00 https://claude.com/blog/compliance-api-security-partners 2026-05-21T00:00:00+00:00 Compliance api security partners 2026-05-21T00:00:00+00:00 https://claude.com/blog/how-an-anthropic-sales-leader-uses-claude-cowork-to-run-a-4-000-account-book 2026-05-20T00:00:00+00:00 How an anthropic sales leader uses claude cowork to run a 4 000 account book 2026-05-20T00:00:00+00:00 https://claude.com/blog/using-claude-code-the-unreasonable-effectiveness-of-html 2026-05-20T00:00:00+00:00 Using claude code the unreasonable effectiveness of html 2026-05-20T00:00:00+00:00 https://code.claude.com/docs/en/changelog#2-1-145 2026-05-19T21:40:46+00:00 2.1.145 2026-05-19T21:40:46+00:00 https://code.claude.com/docs/en/whats-new#week-20 2026-05-19T14:08:42+00:00 Week 20 2026-05-19T14:08:42+00:00 https://code.claude.com/docs/en/changelog#2-1-144 2026-05-19T00:53:57+00:00 2.1.144 2026-05-19T00:53:57+00:00 https://platform.claude.com/docs/en/release-notes/overview#may-19-2026 2026-05-19T00:00:00+00:00 MCP tunnels is now available as a Research Preview, so you can connect to MCP servers in your private network. Self-hosted sandboxes are now available for Claude Managed Agents, as an alternative to running tool execution in Anthropic's infrastructure. See Self-hosted sandboxes. With Claude Managed Agents, you can now update the agent's MCP server and tool configurations associated with an active session. With Claude Managed Agents, large outputs from agent toolset and MCP tools exceeding 100K t 2026-05-19T00:00:00+00:00 https://claude.com/blog/claude-managed-agents-updates 2026-05-19T00:00:00+00:00 New in Claude Managed Agents: self-hosted sandboxes and MCP tunnels 2026-05-19T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#may-18-2026 2026-05-18T00:00:00+00:00 The web search tool now returns richer SEC filing data, making it easier to ground financial research agents, earnings analysis, and due-diligence workflows in primary sources with citations. 2026-05-18T00:00:00+00:00 https://code.claude.com/docs/en/changelog#2-1-143 2026-05-15T22:33:19+00:00 2.1.143 2026-05-15T22:33:19+00:00 https://claude.com/blog/deploying-claude-across-the-legal-industry 2026-05-15T00:00:00+00:00 Deploying claude across the legal industry 2026-05-15T00:00:00+00:00 https://claude.com/blog/how-claude-code-works-in-large-codebases-best-practices-and-where-to-start 2026-05-14T00:00:00+00:00 How claude code works in large codebases best practices and where to start 2026-05-14T00:00:00+00:00 https://claude.com/blog/the-founders-playbook 2026-05-14T00:00:00+00:00 The founders playbook 2026-05-14T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#may-13-2026 2026-05-13T00:00:00+00:00 We've launched cache diagnostics in public beta. Pass diagnostics.previous message id on a Messages request and the API reports a cache miss reason explaining where the prompt cache prefix diverged from the previous turn. Include the cache-diagnosis-2026-04-07 beta header in your requests. 2026-05-13T00:00:00+00:00 https://claude.com/blog/best-practices-for-computer-and-browser-use-with-claude 2026-05-13T00:00:00+00:00 Best practices for computer and browser use with claude 2026-05-13T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#may-12-2026 2026-05-12T00:00:00+00:00 Fast mode (research preview) now supports Claude Opus 4.7. Set speed: "fast" with model: "claude-opus-4-7" and the fast-mode-2026-02-01 beta header for significantly faster output token generation at premium pricing. Pricing, rate limits, and access are the same as for Opus 4.6 fast mode; interested customers should join the waitlist. 2026-05-12T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#may-11-2026 2026-05-11T00:00:00+00:00 We've launched Claude Platform on AWS , bringing the Claude API to Anthropic-managed infrastructure accessible through AWS, with AWS billing and IAM authentication. Access the full Messages API, Files API, Message Batches API, Claude Managed Agents, Agent Skills, code execution, and tool use through native AWS endpoints. Learn more in Claude Platform on AWS. 2026-05-11T00:00:00+00:00 https://code.claude.com/docs/en/whats-new#week-18 2026-05-09T02:56:31+00:00 Week 18 2026-05-09T02:56:31+00:00 https://code.claude.com/docs/en/whats-new#week-19 2026-05-09T02:56:31+00:00 Week 19 2026-05-09T02:56:31+00:00 https://platform.claude.com/docs/en/release-notes/overview#may-6-2026 2026-05-06T00:00:00+00:00 Multiagent sessions and Outcomes are now in public beta under the standard managed-agents-2026-04-01 beta header. Claude Managed Agents vault credential background refresh is now supported for mcp oauth credentials. See Authenticate with vaults. Webhooks for Claude Managed Agents are now supported. Webhook event types include session and vault lifecycle events. See Subscribe to webhooks. Additional filtering and sorting options are now supported for Claude Managed Agents. Sessions can be filtere 2026-05-06T00:00:00+00:00 https://claude.com/blog/new-in-claude-managed-agents 2026-05-06T00:00:00+00:00 New in Claude Managed Agents: dreaming, outcomes, and multiagent orchestration 2026-05-06T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#april-30-2026 2026-04-30T00:00:00+00:00 We've retired the 1M token context window beta ( context-1m-2025-08-07 ) for Claude Sonnet 4.5 and Claude Sonnet 4. The beta header now has no effect on these models, and requests exceeding the standard 200k-token context window return an error. To use the 1M context window, migrate to Claude Sonnet 4.6 or Claude Opus 4.6, where it's generally available at standard pricing with no beta header required. 2026-04-30T00:00:00+00:00 https://code.claude.com/docs/en/whats-new#week-16 2026-04-27T20:26:40+00:00 Week 16 2026-04-27T20:26:40+00:00 https://code.claude.com/docs/en/whats-new#week-17 2026-04-27T20:26:40+00:00 Week 17 2026-04-27T20:26:40+00:00 https://platform.claude.com/docs/en/release-notes/overview#april-24-2026 2026-04-24T00:00:00+00:00 We've released the Rate Limits API, allowing administrators to programmatically query the rate limits configured for their organization and workspaces. 2026-04-24T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#april-23-2026 2026-04-23T00:00:00+00:00 Memory for Claude Managed Agents is now in public beta under the standard managed-agents-2026-04-01 header. See Using agent memory for the full integration guide. 2026-04-23T00:00:00+00:00 https://claude.com/blog/claude-managed-agents-memory 2026-04-23T00:00:00+00:00 Built-in memory for Claude Managed Agents 2026-04-23T00:00:00+00:00 https://claude.com/blog/connectors-for-everyday-life 2026-04-23T00:00:00+00:00 New connectors in Claude for everyday life 2026-04-23T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#april-20-2026 2026-04-20T00:00:00+00:00 We've retired the Claude Haiku 3 model ( claude-3-haiku-20240307 ). All requests to this model will now return an error. We recommend upgrading to Claude Haiku 4.5. 2026-04-20T00:00:00+00:00 https://support.claude.com/en/articles/12138966-release-notes#h_63ecf85ba7 2026-04-17T00:00:00+00:00 Claude Design by Anthropic Labs With Opus 4.7, we also launched Claude Design, a new Anthropic Labs product that lets you collaborate with Claude to create visual outputs like designs, prototypes, slides, and one-pagers. For more information, see Get started with Claude Design . 2026-04-17T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/system-prompts#claude-opus-4-7 2026-04-16T00:00:00+00:00 \ \ Here is some information about Claude and Anthropic's products in case the person asks: This iteration of Claude is Claude Opus 4.7 from the Claude 4.7 model family. The Claude 4.7 family currently consists of Claude Opus 4.7. Claude Opus 4.7 is the most advanced and intelligent model. Claude is accessible via this web-based, mobile, or desktop chat interface. If the person asks, Claude can tell them about the following products which also allow them to access Claude. Claude is accessible vi 2026-04-16T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#april-16-2026 2026-04-16T00:00:00+00:00 We've launched Claude Opus 4.7, our most capable generally available model for complex reasoning and agentic coding, at the same $5 / $25 per MTok pricing as Opus 4.6. See What's new in Claude Opus 4.7 for capability improvements, new features, and the updated tokenizer. Opus 4.7 includes API breaking changes versus Opus 4.6; see Migrating to Claude Opus 4.7 before upgrading. Claude in Amazon Bedrock is now open to all Amazon Bedrock customers. Claude Opus 4.7 and Claude Haiku 4.5 are available 2026-04-16T00:00:00+00:00 https://support.claude.com/en/articles/12138966-release-notes#h_5415f092c2 2026-04-16T00:00:00+00:00 Claude Opus 4.7 launch Our latest model, Claude Opus 4.7, is now generally available. Opus 4.7 shows improvements in software engineering and complex, long-running coding tasks, as well as better vision, allowing it to see images in higher resolution. For more information, see our blog post: Introducing Claude Opus 4.7 . 2026-04-16T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#april-14-2026 2026-04-14T00:00:00+00:00 We announced the deprecation of the Claude Sonnet 4 model ( claude-sonnet-4-20250514 ) and the Claude Opus 4 model ( claude-opus-4-20250514 ), with retirement on the Claude API scheduled for June 15, 2026. We recommend migrating to Claude Sonnet 4.6 and Claude Opus 4.7 respectively. Read more in model deprecations. 2026-04-14T00:00:00+00:00 https://claude.com/blog/claude-code-desktop-redesign 2026-04-14T00:00:00+00:00 Redesigning Claude Code on desktop for parallel agents 2026-04-14T00:00:00+00:00 https://code.claude.com/docs/en/whats-new#week-15 2026-04-13T20:07:55+00:00 Week 15 2026-04-13T20:07:55+00:00 https://claude.com/blog/preparing-your-security-program-for-ai-accelerated-offense 2026-04-10T00:00:00+00:00 Preparing your security program for AI-accelerated offense 2026-04-10T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#april-9-2026 2026-04-09T00:00:00+00:00 We've launched the advisor tool in public beta. Pair a faster executor model with a higher-intelligence advisor model that provides strategic guidance mid-generation, so long-horizon agentic workloads get close to advisor-solo quality while the bulk of token generation happens at executor-model rates. Include the beta header advisor-tool-2026-03-01 in your requests. 2026-04-09T00:00:00+00:00 https://support.claude.com/en/articles/12138966-release-notes#h_088bbb47b1 2026-04-09T00:00:00+00:00 Claude Cowork generally available Claude Cowork is now generally available on macOS and Windows through the Claude Desktop app. With this, we’re expanding Claude Cowork with new capabilities: Claude Cowork in the Analytics API. For more information, see Claude Enterprise Analytics API: Access engagement and adoption data . Usage analytics for Claude Cowork. For more information, see View usage analytics for Team and Enterprise plans . Claude Cowork OpenTelemetry support. For more information, se 2026-04-09T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#april-8-2026 2026-04-08T00:00:00+00:00 We've launched Claude Managed Agents in public beta, a fully managed agent harness for running Claude as an autonomous agent with secure sandboxing, built-in tools, and server-sent event streaming. Create agents, configure containers, and run sessions through the API. All endpoints require the managed-agents-2026-04-01 beta header. Learn more in Claude Managed Agents overview. We've launched the ant CLI , a command-line client for the Claude API that enables faster interaction with the Claude AP 2026-04-08T00:00:00+00:00 https://claude.com/blog/claude-managed-agents 2026-04-08T00:00:00+00:00 Claude Managed Agents: get to production 10x faster 2026-04-08T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#april-7-2026 2026-04-07T00:00:00+00:00 We announced Claude Mythos Preview is available as a gated research preview for defensive cybersecurity work as part of Project Glasswing. Access is invitation-only. The Messages API is now available on Amazon Bedrock as a research preview. The new Claude in Amazon Bedrock endpoint at /anthropic/v1/messages uses the same request shape as the first-party Claude API and runs on AWS-managed infrastructure with zero operator access. Available in us-east-1 ; contact your Anthropic account executive t 2026-04-07T00:00:00+00:00 https://code.claude.com/docs/en/whats-new#week-13 2026-04-04T03:22:37+00:00 Week 13 2026-04-04T03:22:37+00:00 https://code.claude.com/docs/en/whats-new#week-14 2026-04-04T03:22:37+00:00 Week 14 2026-04-04T03:22:37+00:00 https://claude.com/blog/harnessing-claudes-intelligence 2026-04-02T00:00:00+00:00 Harnessing Claude’s intelligence 2026-04-02T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#march-30-2026 2026-03-30T00:00:00+00:00 We've raised the max tokens cap to 300k on the Message Batches API for Claude Opus 4.6 and Sonnet 4.6. Include the output-300k-2026-03-24 beta header to generate longer single-turn outputs for long-form content, structured data, and large code generation tasks. We're retiring the 1M token context window beta for Claude Sonnet 4.5 and Claude Sonnet 4 on April 30, 2026 . After that date, the context-1m-2025-08-07 beta header will have no effect on these models, and requests that exceed the standar 2026-03-30T00:00:00+00:00 https://support.claude.com/en/articles/12138966-release-notes#h_cf2f800398 2026-03-25T00:00:00+00:00 Interactive apps in Claude for iOS and Android The Claude mobile app can now connect to fully interactive apps. Pull up live charts, sketch diagrams, and build shareable assets, all rendered visually right in your conversation. For more information, see Use interactive connectors in Claude . 2026-03-25T00:00:00+00:00 https://support.claude.com/en/articles/12138966-release-notes#h_f8e4032efd 2026-03-23T00:00:00+00:00 Computer use research preview in Cowork and Claude Code + Dispatch improvements Users on Pro and Max plans can give Claude access to computer use. Claude can open files, run dev tools, point, click, and navigate to what’s on your screen to perform tasks itself—with no setup required. Claude’s new computer use capability makes Dispatch even more helpful by allowing it to use your computer on your behalf while you’re away. For more information, see Let Claude use your computer in Cowork or our blo 2026-03-23T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#march-18-2026 2026-03-18T00:00:00+00:00 We've added model capability fields to the Models API. GET /v1/models and GET /v1/models/{model id} now return max input tokens , max tokens , and a capabilities object. Query the API to discover what each model supports. 2026-03-18T00:00:00+00:00 https://support.claude.com/en/articles/12138966-release-notes#h_6dc0f7cd1b 2026-03-17T00:00:00+00:00 Control Cowork from your phone with a persistent thread (research preview for Pro/Max) Users on Pro and Max plans can access a persistent agent thread via Claude Desktop or Claude for iOS/Android to manage tasks in Cowork. We're rolling this out to Max plans starting today, and Pro plans over the next two days. For more information, see Assign tasks to Claude from anywhere in Cowork . 2026-03-17T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#march-16-2026 2026-03-16T00:00:00+00:00 We've launched the display field for extended thinking, letting you omit thinking content from responses for faster streaming. Set thinking.display: "omitted" to receive thinking blocks with an empty thinking field and the signature preserved for multi-turn continuity. Billing is unchanged. Learn more in Controlling thinking display. 2026-03-16T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#march-13-2026 2026-03-13T00:00:00+00:00 The 1M token context window is now generally available for Claude Opus 4.6 and Sonnet 4.6 at standard pricing. Requests over 200k tokens work automatically for these models with no beta header required. The 1M token context window remains in beta for Claude Sonnet 4.5 and Sonnet 4. We've removed the dedicated 1M rate limits for all supported models. Your standard account limits now apply across every context length. We've raised the media limit from 100 to 600 images or PDF pages per request whe 2026-03-13T00:00:00+00:00 https://support.claude.com/en/articles/12138966-release-notes#h_33121cff9d 2026-03-12T00:00:00+00:00 Claude creates interactive charts, diagrams and visualizations Claude can now create custom charts, diagrams and other visualizations in-line in its responses. For more information, see Custom visuals in chat . 2026-03-12T00:00:00+00:00 https://claude.com/blog/claude-builds-visuals 2026-03-12T00:00:00+00:00 Claude now creates interactive charts, diagrams and visualizations 2026-03-12T00:00:00+00:00 https://support.claude.com/en/articles/12138966-release-notes#h_e67bacbb67 2026-03-11T00:00:00+00:00 Work across Excel and PowerPoint We’ve improved our Claude for Excel and Claude for PowerPoint add-ins. They can now share the full context of your conversation, so every action Claude takes in one application is informed by everything that’s happened in the other. We also added support for skills in the add-ins, and the ability for Amazon Bedrock, Google Cloud’s Vertex AI, or Microsoft Foundry users to connect to them via an LLM gateway. For more information, refer to the following articles: Us 2026-03-11T00:00:00+00:00 https://support.claude.com/en/articles/12138966-release-notes#h_9ec0154553 2026-03-02T00:00:00+00:00 Memory for free users Memory from chat history is now available for all Claude users, including free users. For more information, refer to the following articles: Use Claude’s chat search and memory to build on previous context Import and export your memory from Claude 2026-03-02T00:00:00+00:00 https://support.claude.com/en/articles/12138966-release-notes#h_964c1d788c 2026-02-25T00:00:00+00:00 Scheduled tasks in Cowork We introduced the ability to create and schedule both recurring and on-demand tasks in Cowork, as well as a new Customize section in Claude Desktop that groups skills, plugins, and connectors in one place. For more information, see Schedule recurring tasks in Cowork . 2026-02-25T00:00:00+00:00 https://support.claude.com/en/articles/12138966-release-notes#h_7d608ca8a1 2026-02-24T00:00:00+00:00 Cowork plugins and admin controls We launched a new plugin marketplace and admin controls for Team and Enterprise plans. For more information, refer to these articles: Manage Cowork plugins for your organization Use plugins in Cowork 2026-02-24T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#february-19-2026 2026-02-19T00:00:00+00:00 We've launched automatic caching for the Messages API. Add a single cache control field to your request body and the system automatically caches the last cacheable block, moving the cache point forward as conversations grow. No manual breakpoint management required. Works alongside existing block-level cache control for fine-grained optimization. Available on the Claude API and Microsoft Foundry (preview). Learn more in Prompt caching. We've retired the Claude Sonnet 3.7 model ( claude-3-7-sonne 2026-02-19T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/system-prompts#claude-sonnet-4-6 2026-02-17T00:00:00+00:00 \ \ Here is some information about Claude and Anthropic's products in case the person asks: This iteration of Claude is Claude Sonnet 4.6 from the Claude 4.6 model family. The Claude 4.6 family currently consists of Claude Opus 4.6 and Claude Sonnet 4.6. Claude Sonnet 4.6 is a smart, efficient model for everyday use. Claude is accessible via an API and developer platform. The most recent Claude models are Claude Opus 4.6, Claude Sonnet 4.6, and Claude Haiku 4.5, the exact model strings for which 2026-02-17T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#february-17-2026 2026-02-17T00:00:00+00:00 We've launched Claude Sonnet 4.6, our latest balanced model combining speed and intelligence for everyday tasks. Sonnet 4.6 delivers improved agentic search performance while consuming fewer tokens. Sonnet 4.6 supports extended thinking and a 1M token context window (beta). See Models & Pricing for details. API code execution is now free when used with web search or web fetch . Sandboxed code execution improves model capability and token efficiency. See the pricing details for standalone usage. 2026-02-17T00:00:00+00:00 https://support.claude.com/en/articles/12138966-release-notes#h_dc20f106c8 2026-02-17T00:00:00+00:00 Claude Sonnet 4.6 launch We launched our most capable Sonnet model yet, with a full upgrade of the model’s skills across coding, computer use, long-context reasoning, agent planning, knowledge work, and design. Sonnet 4.6 also features a 1M token context window in beta. Read our blog post for more information: Introducing Claude Sonnet 4.6 . 2026-02-17T00:00:00+00:00 https://support.claude.com/en/articles/12138966-release-notes#h_5837ae80ba 2026-02-13T00:00:00+00:00 Analytics API for Enterprise plans The Enterprise Analytics API provides programmatic access to usage and engagement data for Claude and Claude Code Remote usage within your organization. Data is aggregated per organization, per day, and each endpoint returns a snapshot for a single date that you specify. For more information, see Access usage data with the Analytics API . 2026-02-13T00:00:00+00:00 https://support.claude.com/en/articles/12138966-release-notes#h_53b5a11518 2026-02-12T00:00:00+00:00 Self-serve Enterprise plans Previously, Enterprise plans were only available to customers working with our Sales team. Now, any organization can purchase an Enterprise plan directly on our website with no Sales conversation required. Self-serve Enterprise plans have a single seat type that includes access to Claude, Claude Code, and Cowork. For more information, refer to our blog post or What is the Enterprise plan? 2026-02-12T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#february-7-2026 2026-02-07T00:00:00+00:00 We've launched fast mode in research preview for Opus 4.6, providing significantly faster output token generation via the speed parameter. Fast mode is up to 2.5x as fast at premium pricing. Interested customers should join the waitlist. 2026-02-07T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/system-prompts#claude-opus-4-6 2026-02-05T00:00:00+00:00 \ \ Here is some information about Claude and Anthropic's products in case the person asks: This iteration of Claude is Claude Opus 4.6 from the Claude 4.5 model family. The Claude 4.5 family currently consists of Claude Opus 4.6, 4.5, Claude Sonnet 4.5, and Claude Haiku 4.5. Claude Opus 4.6 is the most advanced and intelligent model. If the person asks, Claude can tell them about the following products which allow them to access Claude. Claude is accessible via this web-based, mobile, or deskto 2026-02-05T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#february-5-2026 2026-02-05T00:00:00+00:00 We've launched Claude Opus 4.6, our most intelligent model for complex agentic tasks and long-horizon work. Opus 4.6 recommends adaptive thinking ( thinking: {type: "adaptive"} ); manual thinking ( type: "enabled" with budget tokens ) is deprecated. Opus 4.6 does not support prefilling assistant messages. Learn more in What's new in Claude 4.6. The effort parameter is now generally available (no beta header required) and supports Claude Opus 4.6. Effort replaces budget tokens for controlling thi 2026-02-05T00:00:00+00:00 https://support.claude.com/en/articles/12138966-release-notes#h_1376eb5946 2026-02-05T00:00:00+00:00 Claude Opus 4.6 launch We’ve upgraded our smartest model and improved its coding skills. Read our blog post for more information: Introducing Claude Opus 4.6 . Introducing Claude for PowerPoint Claude is now available as an add-in for PowerPoint. Read more here: Use Claude for PowerPoint . Claude for Excel improvements We’ve updated Claude for Excel so it uses Opus 4.6 and supports native Excel operations such as pivot table editing and conditional formatting. See our updated article for more in 2026-02-05T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#january-29-2026 2026-01-29T00:00:00+00:00 Structured outputs are now generally available on the Claude API for Claude Sonnet 4.5, Claude Opus 4.5, and Claude Haiku 4.5. GA includes expanded schema support, improved grammar compilation latency, and a simplified integration path with no beta header required. The output format parameter has moved to output config.format . Existing beta users can continue using the beta header during the transition period. Structured outputs remain in public beta on Amazon Bedrock and Microsoft Foundry. 2026-01-29T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/system-prompts#claude-sonnet-4-5 2026-01-18T00:00:00+00:00 \ \ Here is some information about Claude and Anthropic's products in case the person asks: This iteration of Claude is Claude Sonnet 4.5 from the Claude 4.5 model family. The Claude 4.5 family currently consists of Claude Opus 4.5, Claude Sonnet 4.5, and Claude Haiku 4.5 . Claude Sonnet 4.5 is a smart, efficient model for everyday use . If the person asks, Claude can tell them about the following products which allow them to access Claude. Claude is accessible via this web-based, mobile, or des 2026-01-18T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/system-prompts#claude-haiku-4-5 2026-01-18T00:00:00+00:00 \ \ Here is some information about Claude and Anthropic's products in case the person asks: This iteration of Claude is Claude Haiku 4.5 from the Claude 4.5 model family. The Claude 4.5 family currently consists of Claude Opus 4.5, Claude Sonnet 4.5, and Claude Haiku 4.5 . Claude Haiku 4.5 is the fastest model for quick questions. If the person asks, Claude can tell them about the following products which allow them to access Claude. Claude is accessible via this web-based, mobile, or desktop ch 2026-01-18T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/system-prompts#claude-opus-4-5 2026-01-18T00:00:00+00:00 \ \ Here is some information about Claude and Anthropic's products in case the person asks: This iteration of Claude is Claude Opus 4.5 from the Claude 4.5 model family. The Claude 4.5 family currently consists of Claude Opus 4.5, Claude Sonnet 4.5, and Claude Haiku 4.5. Claude Opus 4.5 is the most advanced and intelligent model. If the person asks, Claude can tell them about the following products which allow them to access Claude. Claude is accessible via this web-based, mobile, or desktop cha 2026-01-18T00:00:00+00:00 https://support.claude.com/en/articles/12138966-release-notes#h_f2dfe03b6d 2026-01-16T00:00:00+00:00 Cowork research preview expanded to Pro plans Cowork is now available to Pro plan users on Claude Desktop (macOS only). Claude Code access added to Team plan Standard seats We’re now including Claude Code access with every Team plan standard seat. Refer to this article for more information: Purchasing and managing seats on Team plans . Opus 4 and 4.1 deprecated from Claude and Claude Code We’ve removed Claude Opus 4 and 4.1 from the Claude model selector and Claude Code. Refer to this article fo 2026-01-16T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#january-12-2026 2026-01-12T00:00:00+00:00 console.anthropic.com now redirects to platform.claude.com . The Claude Console has moved to its new home as part of our Claude brand consolidation. Existing bookmarks and links will continue working via automatic redirect. For more details, see the September 16, 2025 announcement. 2026-01-12T00:00:00+00:00 https://support.claude.com/en/articles/12138966-release-notes#h_8ada72e390 2026-01-12T00:00:00+00:00 Cowork research preview on Claude Desktop (macOS only) for Max plans Cowork brings Claude Code's agentic capabilities to the Claude desktop app for knowledge work beyond coding. It runs locally on your computer in an isolated VM, enabling direct access to local files and MCP integrations. Refer to this article to learn more: Getting started with Cowork . Health and fitness data on Claude Mobile Claude can now read and analyze your health and fitness data on iOS and Android. Ask Claude about your 2026-01-12T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#january-5-2026 2026-01-05T00:00:00+00:00 We've retired the Claude Opus 3 model ( claude-3-opus-20240229 ). All requests to this model will now return an error. We recommend upgrading to Claude Opus 4.5, which offers significantly improved intelligence at a third of the cost. Researchers can request ongoing access to Claude Opus 3 on the API through the External Researcher Access Program. 2026-01-05T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#december-19-2025 2025-12-19T00:00:00+00:00 We announced the deprecation of the Claude Haiku 3.5 model. Read more in Model deprecations. 2025-12-19T00:00:00+00:00 https://support.claude.com/en/articles/12138966-release-notes#h_7556dc943a 2025-12-18T00:00:00+00:00 Skills for organizations, partners, and the ecosystem In October, we introduced skills—a way to teach Claude repeatable workflows tailored to how you work. Skills are now easier to deploy, discover, and build with organization-wide management for Team and Enterprise plans , a directory of partner-built skills, and an open standard ( Agent Skills ) so skills work across AI platforms. Claude in Chrome updates Claude in Chrome is now available in beta to all paid plan subscribers, including Pro, Te 2025-12-18T00:00:00+00:00 https://claude.com/blog/how-enterprises-are-building-ai-agents-in-2026 2025-12-09T00:00:00+00:00 How enterprises are building AI agents in 2026 2025-12-09T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#december-4-2025 2025-12-04T00:00:00+00:00 Structured outputs now supports Claude Haiku 4.5. 2025-12-04T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#november-24-2025 2025-11-24T00:00:00+00:00 We've launched Claude Opus 4.5, our most intelligent model combining maximum capability with practical performance. Ideal for complex specialized tasks, professional software engineering, and advanced agents. Features step-change improvements in vision, coding, and computer use at a more accessible price point than previous Opus models. Learn more in Models overview. We've launched programmatic tool calling in public beta, allowing Claude to call tools from within code execution to reduce latenc 2025-11-24T00:00:00+00:00 https://support.claude.com/en/articles/12138966-release-notes#h_39421a1c59 2025-11-24T00:00:00+00:00 Claude Opus 4.5 launch We released our most powerful frontier model to date. Read our blog post for more information: Introducing Claude Opus 4.5 . Claude for Excel beta release Claude for Excel is now available in beta to all Max, Team, and Enterprise users. We’ve added some additional capabilities, such as support for pivot tables, charts and file uploads, plus a shortcut to quickly open the full Claude app from Excel (ctrl+option+c). We've also made overall improvements to performance, speed, 2025-11-24T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#november-21-2025 2025-11-21T00:00:00+00:00 Search result content blocks are now generally available on Amazon Bedrock. Learn more in Search results. 2025-11-21T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#november-19-2025 2025-11-19T00:00:00+00:00 We've launched a new documentation platform at platform.claude.com/docs. Our documentation now lives side by side with the Claude Console, providing a unified developer experience. The previous docs site at docs.claude.com will redirect to the new location. 2025-11-19T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#november-18-2025 2025-11-18T00:00:00+00:00 We've launched Claude in Microsoft Foundry , bringing Claude models to Azure customers with Azure billing and OAuth authentication. Access the full Messages API including extended thinking, prompt caching (5-minute and 1-hour), PDF support, Files API, Agent Skills, and tool use. Learn more in Claude in Microsoft Foundry. 2025-11-18T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#november-14-2025 2025-11-14T00:00:00+00:00 We've launched structured outputs in public beta, providing guaranteed schema conformance for Claude's responses. Use JSON outputs for structured data responses or strict tool use for validated tool inputs. Available for Claude Sonnet 4.5 and Claude Opus 4.1. To enable, use the beta header structured-outputs-2025-11-13 . 2025-11-14T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#october-28-2025 2025-10-28T00:00:00+00:00 We announced the deprecation of the Claude Sonnet 3.7 model. Read more in Model deprecations. We've retired the Claude Sonnet 3.5 models. All requests to these models will now return an error. We've expanded context editing with thinking block clearing ( clear thinking 20251015 ), enabling automatic management of thinking blocks. Learn more in Context editing. 2025-10-28T00:00:00+00:00 https://support.claude.com/en/articles/12138966-release-notes#h_7cb25ceb17 2025-10-23T00:00:00+00:00 Claude’s memory on Max and Pro plans Max plan users can now access Claude’s memory capabilities. This feature will roll out to Pro plans gradually over the next two weeks. 2025-10-23T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#october-16-2025 2025-10-16T00:00:00+00:00 We've launched Agent Skills ( skills-2025-10-02 beta), a new way to extend Claude's capabilities. Skills are organized folders of instructions, scripts, and resources that Claude loads dynamically to perform specialized tasks. The initial release includes: Anthropic-managed Skills : Pre-built Skills for working with PowerPoint (.pptx), Excel (.xlsx), Word (.docx), and PDF files Custom Skills : Upload your own Skills via the Skills API ( /v1/skills endpoints) to package domain expertise and organ 2025-10-16T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#october-15-2025 2025-10-15T00:00:00+00:00 We've launched Claude Haiku 4.5, our fastest and most intelligent Haiku model with near-frontier performance. Ideal for real-time applications, high-volume processing, and cost-sensitive deployments requiring strong reasoning. Learn more in Models overview. 2025-10-15T00:00:00+00:00 https://support.claude.com/en/articles/12138966-release-notes#h_0a1ae9effc 2025-10-15T00:00:00+00:00 Claude Haiku 4.5 launch We released our fastest, most cost-efficient model – Claude Haiku 4.5. Our latest small model matches Sonnet 4’s performance on coding, computer use, and agent tasks. Claude in Chrome updates Powered by Haiku 4.5: Claude in Chrome now defaults to Haiku 4.5 so it’s a faster, more responsive experience. You can always switch back to Sonnet 4.5. Claude handles image uploads for you: Give Claude an image and tell it where to upload, whether it’s an expense report, form attach 2025-10-15T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#september-29-2025 2025-09-29T00:00:00+00:00 We've launched Claude Sonnet 4.5, our best model for complex agents and coding, with the highest intelligence across most tasks. Learn more in the models overview. We've introduced global endpoint pricing for Amazon Bedrock and Vertex AI. The Claude API (1P) pricing is unaffected. We've introduced a new stop reason model context window exceeded that allows you to request the maximum possible tokens without calculating input size. Learn more in Handling stop reasons. We've launched the memory too 2025-09-29T00:00:00+00:00 https://support.claude.com/en/articles/12138966-release-notes#h_a9f162d5e0 2025-09-29T00:00:00+00:00 Claude Sonnet 4.5 launch We released our newest model, Sonnet 4.5. This is the best model in the world for real-world agents, coding, and computer use. Read our blog post here: Claude Sonnet 4.5 . Creating and editing files with Claude for Pro plans and mobile Pro users can now leverage Claude’s file creation and editing capabilities, and users on all paid plans can access these features on Claude for iOS or Android. See this updated article for more information: Create and edit files with Claud 2025-09-29T00:00:00+00:00 https://support.claude.com/en/articles/12138966-release-notes#h_a9aa5ab189 2025-09-18T00:00:00+00:00 Claude’s memory on Enterprise plans Users on Enterprise plans can leverage memory; Claude can now remember relevant context from your chats and generate a memory summary. Incognito chats give you a way to exclude conversations from Claude’s memory. Refer to the following articles for more information: Using Claude’s chat search and memory to build on previous context Importing and exporting your memory from Claude Using incognito chats 2025-09-18T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#september-17-2025 2025-09-17T00:00:00+00:00 We've launched tool helpers in beta for the Python and TypeScript SDKs, simplifying tool creation and execution with type-safe input validation and a tool runner for automated tool handling in conversations. For details, see the documentation for the Python SDK and the TypeScript SDK. 2025-09-17T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#september-16-2025 2025-09-16T00:00:00+00:00 We've unified our developer offerings under the Claude brand. You should see updated naming and URLs across our platform and documentation, but our developer interfaces will remain the same . Here are some notable changes: Claude Console (console.anthropic.com) → Claude Console (platform.claude.com). The console will be available at both URLs until January 12, 2026. After that date, console.anthropic.com will automatically redirect to platform.claude.com. Anthropic Docs (docs.anthropic.com) → Cl 2025-09-16T00:00:00+00:00 https://support.claude.com/en/articles/12138966-release-notes#h_3b83c8bd3c 2025-09-16T00:00:00+00:00 Claude in Chrome expansion Claude in Chrome expanded to 10,000 Max plan users with the release of new capabilities: Long-running workflows: Claude in Chrome can handle more complex, multi-step workflows, and continue working even when you switch tabs (as long as Chrome is open). /slash commands: Save your best-working prompts as shortcuts (/slash commands) and reuse these proven workflows instantly without retyping instructions to Claude. Contextual prompt suggestions: Claude in Chrome gives con 2025-09-16T00:00:00+00:00 https://support.claude.com/en/articles/12138966-release-notes#h_15c9fdd1b5 2025-09-11T00:00:00+00:00 Claude’s memory on Team plans and incognito chats for free, Pro, Max, and Team plans Claude can now remember relevant context from your chats and will generate a memory summary. Incognito chats give you a way to exclude conversations from Claude’s memory. Refer to the following new articles for more information: Using Claude’s chat search and memory to build on previous context Importing and exporting your memory from Claude Using incognito chats 2025-09-11T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#september-10-2025 2025-09-10T00:00:00+00:00 We've launched the web fetch tool in beta, allowing Claude to retrieve full content from specified web pages and PDF documents. Learn more in Web fetch tool. We've launched the Claude Code Analytics API, enabling organizations to programmatically access daily aggregated usage metrics for Claude Code, including productivity metrics, tool usage statistics, and cost data. 2025-09-10T00:00:00+00:00 https://support.claude.com/en/articles/12138966-release-notes#h_31fa5f1a25 2025-09-09T00:00:00+00:00 Creating and editing files with Claude Claude can now create and edit Excel spreadsheets, PowerPoint slide decks, documents, and PDFs directly in the Claude app. Refer to the following two articles for more information: Create and edit files with Claude Create and edit files with Claude to eliminate hours of busy work 2025-09-09T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#september-8-2025 2025-09-08T00:00:00+00:00 We launched a beta version of the C SDK. 2025-09-08T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#september-5-2025 2025-09-05T00:00:00+00:00 We've launched rate limit charts in the Console Usage page, allowing you to monitor your API rate limit usage and caching rates over time. 2025-09-05T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#september-3-2025 2025-09-03T00:00:00+00:00 We've launched support for citable documents in client-side tool results. Learn more in Handle tool calls. 2025-09-03T00:00:00+00:00 https://support.claude.com/en/articles/12138966-release-notes#h_08862df576 2025-09-03T00:00:00+00:00 Location, maps, and calendar access on Claude for iOS and Android Claude can now connect with iOS and Android apps to draft calendar events, help you find locations, and manage reminders (iOS only). See updates to the following two articles for more information: Using Claude with iOS Apps Using Claude with Android Apps 2025-09-03T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#september-2-2025 2025-09-02T00:00:00+00:00 We've launched v2 of the Code Execution Tool in public beta, replacing the original Python-only tool with Bash command execution and direct file manipulation capabilities, including writing code in other languages. 2025-09-02T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#august-27-2025 2025-08-27T00:00:00+00:00 We launched a beta version of the PHP SDK. 2025-08-27T00:00:00+00:00 https://support.claude.com/en/articles/12138966-release-notes#h_d84fb4eda0 2025-08-27T00:00:00+00:00 Code Execution Tool A new API tool that allows Claude to execute Python code in a secure, sandboxed environment. Refer to our docs for more information: Code execution tool . 2025-08-27T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#august-26-2025 2025-08-26T00:00:00+00:00 We've increased rate limits on the 1M token context window for Claude Sonnet 4 on the Claude API. The 1M token context window is now available on Vertex AI. For more information, see Claude on Vertex AI. 2025-08-26T00:00:00+00:00 https://support.claude.com/en/articles/12138966-release-notes#h_8946025878 2025-08-26T00:00:00+00:00 Claude in Chrome An experimental browser extension that allows Claude to read, click, and navigate websites alongside you. See Getting Started with Claude in Chrome . 2025-08-26T00:00:00+00:00 https://support.claude.com/en/articles/12138966-release-notes#h_264622cca3 2025-08-21T00:00:00+00:00 Admin controls for desktop extensions Allows Team and Enterprise plans to enable/disable public desktop extensions and upload custom extensions. See Admin Controls for Desktop Extensions . Making shared artifacts embeddable Claude users with free, Pro, or Max plans can generate an embed code for any published artifacts. 2025-08-21T00:00:00+00:00 https://support.claude.com/en/articles/12138966-release-notes#h_ecf9770e2f 2025-08-20T00:00:00+00:00 Premium seats with Claude Code for Team and Enterprise plans Introduced a premium seat tier for Team and Enterprise plans offering more usage and access to Claude Code. Refer to the following articles for more information: Purchasing and managing seats Using Claude Code with your Team or Enterprise plan Extra usage for Team and Enterprise plans A new setting allows Team and Enterprise plan users to purchase more usage to continue chatting with Claude or using Claude Code after hitting their usag 2025-08-20T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#august-19-2025 2025-08-19T00:00:00+00:00 Request IDs are now included directly in error response bodies alongside the existing request-id header. Learn more in Errors. 2025-08-19T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#august-18-2025 2025-08-18T00:00:00+00:00 We've released the Usage & Cost API, allowing administrators to programmatically monitor their organization's usage and cost data. We've added a new endpoint to the Admin API for retrieving organization information. For details, see the Organization Info Admin API reference. 2025-08-18T00:00:00+00:00 https://support.claude.com/en/articles/12138966-release-notes#h_b4a02f3a2c 2025-08-15T00:00:00+00:00 Ability to change monthly Team plan billing to annual Allowing Team plan organizations with monthly billing to upgrade to annual billing. See How to change your Team plan from monthly to annual billing . 2025-08-15T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#august-13-2025 2025-08-13T00:00:00+00:00 We announced the deprecation of the Claude Sonnet 3.5 models ( claude-3-5-sonnet-20240620 and claude-3-5-sonnet-20241022 ). These models will be retired on October 28, 2025. We recommend migrating to Claude Sonnet 4.5 ( claude-sonnet-4-5-20250929 ) for improved performance and capabilities. Read more in Model deprecations. The 1-hour cache duration for prompt caching is now generally available. You can now use the extended cache TTL without a beta header. Learn more in Prompt caching. 2025-08-13T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#august-12-2025 2025-08-12T00:00:00+00:00 We've launched beta support for a 1M token context window in Claude Sonnet 4 on the Claude API and Amazon Bedrock. 2025-08-12T00:00:00+00:00 https://support.claude.com/en/articles/12138966-release-notes#h_004d90b693 2025-08-12T00:00:00+00:00 1M token context window The 1M token context window for Claude Sonnet 4 is currently in beta for API organizations in usage tier 4, or with custom rate limits. See 1M token context window in our docs for more information. 2025-08-12T00:00:00+00:00 https://platform.claude.com/docs/en/release-notes/overview#august-11-2025 2025-08-11T00:00:00+00:00 Some customers might encounter 429 ( rate limit error ) errors following a sharp increase in API usage due to acceleration limits on the API. Previously, 529 ( overloaded error ) errors would occur in similar scenarios. 2025-08-11T00:00:00+00:00