Directory / LangGraph
LangGraph
Verified
Stateful graph runtime for agents from the LangChain project.
LangGraph is a library and runtime for building stateful, multi-step agents as graphs. It provides orchestration within the LangChain family and has separate integration with LangSmith observability. Models and tools are supplied by the operator.
- Model support
- Multi-model
- Deployment
- Cloud, Self-hosted
- Open source
- Yes
- License
- See repository (MIT for the library in public materials we checked)
- Pricing model
- Mixed
- Added / updated
- 19 Aug 2026 / 19 Aug 2026
www.langchain.com/langgraph · Docs · Source
Assessment
LangGraph suits agent workflows whose state and transitions are represented as a graph. Other layers handle durable job queues and sandboxed tools. LangSmith integration is optional; LangChain integrations create switching pressure.
Strengths
- Explicit state and edges for multi-step agents.
- Library you can run yourself; model-agnostic.
- Separate URL and job from LangSmith.
Limitations
- Integration pressure from LangChain abstractions and LangSmith.
- Not durable execution in the Temporal sense unless you add that.
- Large graphs can become difficult for other engineers to debug.