LangChain pricing
4 plans read from langchain.com
Developer (LangSmith)Free $0 / seat per month; usage billed pay as you go.1 seat · Up to 5k base traces / mo, then pay-as-you-go · Community support Read 4 Oct 2026 · langchain.com
LangChain frameworkFree Free to use; MIT-licensed open-source library.Open-source framework Read 4 Oct 2026 · langchain.com
Plus (LangSmith)$39 a month $39 / seat per month; usage billed pay as you go.Up to 10k base traces / mo, then pay-as-you-go · Add unlimited seats · 1 free Serverless (Small) deployment included Read 4 Oct 2026 · langchain.com
Enterprise (LangSmith)Priced on request Custom pricing; Enterprise plans are invoiced annually upfront.Self-hosted and hybrid deployment options · Custom SSO, ABAC, and RBAC · Support SLA · Custom seats and workspaces Read 4 Oct 2026 · langchain.com
In short
- LangChain has a free plan (Developer (LangSmith)).
- Paid plans published: 1, from $39 a month.
- 1 plan is priced on request (Enterprise (LangSmith)).
What the alternatives costAll alternatives →
| Tool | From | Free plan | Free trial |
|---|---|---|---|
| Scanopy | $11.99/mo | Yes | Yes |
| Vellum | $30/mo | Yes | No |
| Flowise | $35/mo | Yes | Yes |
| OpenRAG | — | Yes | No |
| txtai | — | Yes | No |
| Haystack | — | Yes | Yes |
| CrewAI AMP | — | Yes | No |
| LlamaIndex | $50/mo | No | No |