Pricing
LangChain pricing context
Human-reviewed pricing summary paired with DevTune’s public AI search visibility benchmark.
Reviewed pricing summary
- LangSmith is offered on three self-serve tiers plus a startup program.
- The Developer plan is free (1 seat, 5,000 base traces/month, 14-day retention).
- The Plus plan costs $39/user/month (up to 10 seats, 10,000 base traces/month included).
- Both plans charge $2.50 per 1,000 additional base traces and $5.00 per 1,000 extended traces (400-day retention).
- LangSmith Deployment is available on Plus with one free dev deployment included.
- Enterprise pricing is custom (annual invoicing, self-hosted/BYOC/Kubernetes options, unlimited seats, higher rate limits).
- A Startup plan with discounted rates is available for early-stage funded companies.
- LangChain and LangGraph open-source frameworks are free under the MIT license.
Benchmark context
#3
of 11 in LLM Observability Evals & Gateways
8.0%
AI search visibility
Sources and verification
Pricing changes often. Treat this page as evaluation context and verify contract terms, usage limits, and add-ons against the vendor’s current materials before making a buying decision.