Pricing

LangChain pricing

As langchain.com lists them, read 4 Oct 2026. The maker's own page has the final word.

Plan	Billed and limits	Price
Developer (LangSmith)	$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	Free
LangChain framework	Free to use; MIT-licensed open-source library. · Open-source framework	Free
Plus (LangSmith)	$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	$39 a month
Enterprise (LangSmith)	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	On request