LangWatch · Pricing Plans

Langwatch Plans Pricing

Reconciled plans and metered pricing for LangWatch Cloud. LangWatch is fully open-source (Apache-2.0 core, MIT SDKs) and can be self-hosted at no software cost; the plans below apply to the managed Cloud offering at app.langwatch.ai.

Langwatch Plans Pricing is the machine-readable pricing-plan profile for LangWatch on the APIs.io network, conforming to the API Commons Plans specification.

It defines 4 plans, covering free, subscription, and enterprise tiers, with named plans including Developer, Growth, Enterprise / Regulated, Self-Hosted (Open Source).

Tagged areas include AI, LLM Observability, LLM Evaluation, Agent Testing, and SaaS.

4 Plans API Commons Plans
View Source
AILLM ObservabilityLLM EvaluationAgent TestingSaaS

Plans

Developer free

Free starter plan for individual developers exploring LangWatch.

Included events (events) 50000
Data retention (days) 14
Included users (users) 2
Scenarios (scenarios) 3
Simulations (simulations) 3
Custom evaluations (custom_evaluations) 3
Growth subscription

Per-core-seat plan for production teams with metered overage.

Core seat (seat) -1
Included events (events) 200000
Additional events (events) -1
Included data retention (days) 30
Extended retention storage (GB) -1
Enterprise / Regulated enterprise

Custom-priced plan with on-premises, hosted, or hybrid deployment.

Custom contract (contract) -1
Self-Hosted (Open Source) free

Run the Apache-2.0 LangWatch monorepo on your own infrastructure at no software cost.

Software license (license) -1

Sources

Work with this as data

Every plan here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for plans

4 MCP tools reach this
  • find_plansBrowse and filter every plan in the catalog.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This plan 
curl "https://apis.io/api/v1/plans/langwatch-plans-pricing"
All plans 
curl "https://apis.io/api/v1/plans?limit=25"

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