- Primary focus
- Open-source framework for building LLM apps and agents
- Deployment
- Self-hosted
- Source model
- Open source
- Pricing model
- open source
- API available
- Yes
- Windows desktop
- Not specified
- Mobile app
- Not specified
- Overview
- LangChain is an MIT-licensed open-source framework (Python/JS) for building LLM applications and agents via LangGraph; LangSmith adds optional hosted tracing, evaluation and deployment.

| Attribute | |
|---|---|
| Overview | |
| Primary focus | Open-source framework for building LLM apps and agents |
| Deployment | Self-hosted |
| Source model | Open source |
| Pricing model | open source |
| API available | Yes |
| Windows desktop | Not specified |
| Mobile app | Not specified |
| Overview | LangChain is an MIT-licensed open-source framework (Python/JS) for building LLM applications and agents via LangGraph; LangSmith adds optional hosted tracing, evaluation and deployment. |
| Explore further | |
| Vendor website | Visit vendor ↗ |
| ITHub profile | View full profile → |
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