Lab Index

An index of frontier and emerging AI labs.

← All labs · Suggest an edit

LangChain

Frameworks

Open-source framework for building LLM applications, plus the LangSmith observability platform.

Basics

NameLangChain
SpaceFrameworks
Founded2022
Latest valuation~$1.25B
Stage—
Statusactive
HQSan Francisco
FoundersHarrison Chase, Ankush Gola
Websitehttps://www.langchain.com
Careershttps://www.langchain.com/careers
LinkedIn—
X / Twitter—

Funding history

DateRoundAmount ($M)ValuationConfidenceSource
———~$1.25Breported—

Founders

No founders recorded yet. Submit info.

Timeline

DateTypeTitleSource
2026-06-14addedLangChain added to tracker
Latest valuation: ~$1.25B.
—

Sources

No sources cited.

Related labs in Frameworks

LabValuationFounded
Modular$1.6B2022
Isara$650M2025
Poetiq~$300M2025
LlamaIndex~$100M2023