specification: API Commons Plans specificationVersion: '0.1' schema: https://raw.githubusercontent.com/api-evangelist/interface-research/main/schema/api-commons.yml#/$defs/Plans provider: LangDB providerId: langdb created: '2026-06-20' modified: '2026-06-20' reconciled: false tags: - AI - LLM - AI Gateway - Routing - Governance - MCP - Plans description: >- LangDB offers a free, open-source AI gateway (langdb/ai-gateway) that can be self-hosted at no license cost, plus a managed cloud service. The managed service has a Free tier (no credit card required) and paid tiers (publicly referenced as starting around $49/month) leading up to Business and Enterprise plans that add multi-tenancy, advanced cost control, role-based access, and SSO. Model usage routed through the gateway is billed at the underlying provider rates. Specific per-tier seat counts, included usage, and any gateway markup are not fully published and are not reconciled in this artifact. notes: >- The exact feature matrix, seat pricing, included message/usage allowances, and any per-request gateway fee are not consistently published on langdb.ai/pricing; confirm current tiers and amounts on the pricing page during reconciliation. sources: - https://langdb.ai/pricing/ - https://docs.langdb.ai/features/cost-control - https://github.com/langdb/ai-gateway plans: - id: langdb-open-source name: Open Source (Self-Hosted) type: free description: >- The LangDB AI gateway is open source and can be self-hosted with no license fee; you pay only the underlying model provider costs. entries: - label: Self-Hosted Gateway name: open_source type: flat metric: license limit: -1 timeFrame: month geo: global unit: 1 price: $0 (self-hosted, open source) userMultiplied: false elements: - name: OpenAI-Compatible Gateway - name: Routing - name: MCP Support - id: langdb-free name: Free type: free description: >- Managed cloud Free tier with no credit card required, for evaluating the hosted gateway, routing, tracing, and analytics. entries: - label: Free Tier name: free type: flat metric: subscription limit: -1 timeFrame: month geo: global unit: 1 price: $0 userMultiplied: false elements: - name: Hosted Gateway - name: Tracing - name: Analytics - id: langdb-paid name: Paid (Pro / Business) type: subscription description: >- Managed paid tier publicly referenced as starting around $49/month, adding higher limits, cost control, and team/user management. Exact tier names, seat counts, and included usage are not reconciled. entries: - label: Paid Subscription name: paid type: flat metric: subscription limit: -1 timeFrame: month geo: global unit: 1 price: from ~$49/month (verify on pricing page) userMultiplied: false - label: Model Usage Pass-Through name: model_usage type: usage metric: tokens limit: -1 timeFrame: month geo: global unit: 1000000 price: billed at underlying provider model rates userMultiplied: false elements: - name: Cost Control - name: User Management - name: Advanced Routing - id: langdb-enterprise name: Enterprise type: enterprise description: >- Enterprise plan with multi-tenancy, advanced cost and access control, role-based access, SSO, on-prem / VPC deployment, and dedicated support. Contact LangDB sales. entries: - label: Enterprise Agreement name: enterprise type: flat metric: contract limit: -1 timeFrame: year geo: global unit: 1 price: contact sales userMultiplied: false elements: - name: Multi-Tenancy - name: Tenant & User Provisioning - name: Group-Based Routing - name: SSO - name: Dedicated Support maintainers: - FN: Kin Lane email: kin@apievangelist.com