LangChain Pricing
| Plan | Price | Notes |
|---|---|---|
| Free | $0 | open-source |
| LangSmith | from $0 | — |
parsed from the hand-verified summary: “Free (open-source) / LangSmith from $0”
Self-hosting cost
LangChain is open source — the software itself costs nothing to run. Your real cost is the infrastructure you run it on plus the time to operate it.
Free & cheaper Agent Skills & Prompts
same category, free plan or open-source license
GitHub MCP Serveropen sourceFree and open-source, some features need paid GitHub plansContext7open sourceFree public docs access; enterprise/private-source workflows availableDeepEvalopen sourceOpen-source Apache-2.0 framework; Confident AI offers Free and Starter entry points plus Business/Enterprise paths for hosted evals, observability, red teaming, and governance.Firecrawlopen sourceFree 1,000 credits/mo; Hobby from $16/mo billed yearly; Standard/Scale credit tiers available
FAQ
How much does LangChain cost?
Free (open-source) / LangSmith from $0
Does LangChain have a free plan?
Yes — LangChain is open source and free to use.
Can you self-host LangChain for free?
LangChain is open source — the software itself is free to run; you only pay for your own infrastructure.
What are free or cheaper LangChain alternatives?
GitHub MCP Server, Context7, DeepEval are in the same category with a free plan or open-source license.
pricing is hand-verified editorial data — vendors change plans; confirm on the official site before you buy. Reuse this data under CC-BY 4.0 via /data.