generated: 2026-07-21
method: searched
source: https://tinker-docs.thinkingmachines.ai/changelog/
name: Thinking Machines (Tinker) changelog
description: >-
  Notable updates to the Tinker SDK, the Tinker Cookbook, the Tinker Console,
  and the Tinker documentation. SDK/Cookbook entries are dated by PyPI release,
  Console entries by launch date, Docs entries by merge-to-main date.
scheme: dated-multitrack
current_sdk_version: 0.23.1
entries:
- release: SDK 0.23.1
  date: '2026-07-18'
  highlights: >-
    Fixed RestClient.get_audit_log() failing when the audit-log response
    redirects to a signed download URL; the redirect is now followed correctly.
  breaking: false
- release: Docs
  date: '2026-07-17'
  highlights: >-
    Models & Pricing updated for new pricing effective July 17: prefill, sample,
    and training rates rose on standard context-length models (cached prefill
    stays 20% of prefill).
  breaking: false
- release: Docs
  date: '2026-07-16'
  highlights: >-
    New Data Model & Permissions guide covering organizations, teams, projects,
    sessions, training runs, and checkpoints.
  breaking: false
- release: SDK 0.23.0
  date: '2026-07-15'
  highlights: >-
    SampleResponse now reports prompt_cache_hit_tokens (prompt tokens billed as
    prefix-cache hits).
  breaking: false
- release: Cookbook 0.5.0
  date: '2026-07-15'
  highlights: >-
    Added a Modal inference integration (tinker_cookbook.inference.modal) that
    turns a tinker:// LoRA checkpoint into an OpenAI-compatible endpoint.
  breaking: false
- release: Console
  date: '2026-07-15'
  highlights: >-
    Launched the Playground (open to all organizations, usage not billed for
    now) for chatting with Inkling directly in the console.
  breaking: false
- release: Console
  date: '2026-07-08'
  highlights: >-
    The console is now served at tinker.thinkingmachines.ai; the previous
    tinker-console.thinkingmachines.ai address now redirects there.
  breaking: false
- release: Console
  date: '2026-07-06'
  highlights: >-
    Added a Session Metrics view to every session page with time-series panels
    for training and sampling traffic.
  breaking: false
docs: https://tinker-docs.thinkingmachines.ai/changelog/