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#4 in Agentic commerce & agent infrastructure · Global #31

LangChain

Open-source agent frameworks (LangChain, LangGraph) plus LangSmith, a paid platform for building, tracing, evaluating and deploying agents for companies.

Website langchain.comAgent signals MCP connector: nollms.txt: no

Investors

IVPSequoia CapitalBenchmarkCapitalG

Sources

Every claim on this page links to where we found it. Profiles are checked from public sources and refreshed quarterly.

FieldClaimSourceChecked
Websitehttps://www.langchain.comlangchain.com2026-10-19
Proof$125M Series B at $1.25B valuation led by IVP (Oct 2025)fortune.com2026-10-19
ProofCustomer stories pagelangchain.com2026-10-19
ProofLangSmith pricing pagelangchain.com2026-10-19
Headquartersno first-party or reputable source foundnot linked yet
Agentsignals{'mcp': True, 'a2a': False, 'llmsTxt': False, 'agentsJson': False}docs.langchain.com2026-10-19
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