Framework for building applications with LLMs.
86 jobs at LangChain
Apr 2023 · Benchmark
LangChain blog · Mar 2026
Major partnership announcement with MongoDB covering LangSmith checkpointer, LangGraph integrations, and production agent workflows.
LangChain blog · Mar 2026
Major product/partnership milestone announcing an enterprise agentic AI platform with NVIDIA and joining the Nemotron Coalition.
LangChain blog · Oct 2025
Official Series B announcement: $125M at a $1.25B valuation, led by IVP with participation from existing and new strategic investors.
LangChain blog · Feb 2024
Official LangSmith GA announcement and LangChain’s $25M Series A led by Sequoia Capital.
LangChain blog · Apr 2023
Official seed-funding announcement; LangChain said it raised $10M led by Benchmark.