LangChain

Private

Open-source framework and platform for building applications powered by large language models, providing tools for prompt management, chains, agents, memory, and observability through its commercial LangSmith product

Founders Harrison Chase, Ankush Gola
CEO Harrison Chase

Company

Founded
2022
Headquarters
San Francisco, United States

Financials

Total Funding
$160M
Sectors
Artificial Intelligence Developer Tools Enterprise Software
www.langchain.com

Funding History

3 rounds
Series B Oct 20, 2025
$125M
IVP (Lead) Sequoia Capital Benchmark Amplify Partners CapitalG Sapphire Ventures ServiceNow Ventures Workday Ventures Cisco Investments Datadog Ventures Databricks Ventures Frontline Ventures
Series A Feb 15, 2024
$25M
Sequoia Capital (Lead) Benchmark Lux Capital Conviction Partners
Seed Apr 4, 2023
$10M
Benchmark (Lead)

Funding data is compiled from multiple independent sources including company announcements, press coverage, and regulatory filings. While we strive for accuracy, amounts and dates may reflect reported figures at time of announcement.