LangChain
VerifiedThe framework that defined LLM application development
Product preview
LangChain
What it is
LangChain built the vocabulary of LLM engineering: chains, tools, and memory in open-source Python/JS libraries used by millions of developers. LangGraph orchestrates production agent workflows with state and human-in-the-loop control, while LangSmith delivers the tracing, evals, and monitoring serious teams need to ship reliably. The default stack for applied AI.
Key features
- LLM app building blocks
- LangGraph agent orchestration
- LangSmith observability
- Massive integration ecosystem
What we liked
- + Ecosystem gravity
- + Production tooling maturity
- + Free open source
Worth noting
- · Abstraction overhead debated
- · Fast-moving APIs
Reader reviews
From people who've used LangChain. Emails are never shown publicly.
No reviews yet — be the first to share your experience.
Alternatives to LangChain
Other tools we like in this space.
