LangChain raises $125M Series B
LangChain: LangChain makes open source frameworks and the LangSmith platform for building, testing and deploying LLM agents.
- Round
- Series B
- Amount
- $125M
- Announced
- Valuation
- $1.3B
- Lead investors
- IVP
- Also investing
- Sequoia, Benchmark, Amplify, CapitalG, Sapphire Ventures, ServiceNow Ventures, Workday Ventures, Cisco Investments, Datadog Ventures, Databricks Ventures, Frontline
- Headquarters
- San Francisco, United States
More: LangChain funding history · rounds in October 2025 · rounds in United States