Agents & automation
LangChain by LangChain
Framework for LLM apps and agents.
LangChain is a framework for building, observing, and shipping LLM applications and agents, with LangSmith for evaluation and monitoring.
Best for: Building and observing LLM apps.
Founded
2022
HQ
San Francisco, CA
Used by
AI engineers and teams.
frameworkllmdeveloper
Key features
LLM app framework
Agents & tools
LangSmith tracing/eval
LangGraph
Integrations
Pros
- Huge ecosystem
- Strong observability
- Many integrations
Watch-outs
- Abstractions can be heavy
- Moves fast
Integrates with
All major LLMsVector DBsTools
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