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Framework and tooling for LLM apps
LangChain is LLM application framework software offering a framework and platform (LangChain, LangGraph, LangSmith) for building and observing LLM applications. Founded in 2022 and based in San Francisco, California, USA, LangChain helps developers building LLM-powered applications work more efficiently and achieve better outcomes.
LangChain is built for developers building LLM-powered applications. It suits teams that want LLM application framework without spreadsheets and disconnected tools.
Compared with alternatives like LlamaIndex, LangChain differentiates on LLM application framework. Pricing is quote-based and scoped to your usage and team size.
Pricing Model
Quote-based
Starting Price
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Free Options
Free trial
Core LangChain for growing teams. Contact for a quote.
Advanced LangChain for larger organizations. Contact for a quote.
| Feature | Professional Popular | Enterprise |
|---|---|---|
| LLM application framework | , | |
| agent orchestration (LangGraph) | , | |
| Integrations | , | |
| Analytics and reporting | , | |
| Standard support | , | |
| Everything in Professional | , | |
| observability (LangSmith) | , | |
| integrations with models and tools | , | |
| Advanced security and controls | , | |
| Dedicated support and onboarding | , |
Other
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API Types
SDK Availability
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Developer Features
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Compliance Standards
SOC 2 Type II
EnterpriseISO 27001
EnterpriseGDPR Compliant
GlobalHIPAA
HealthcarePCI DSS
FinanceCCPA
PrivacyFedRAMP
GovernmentCSA STAR
CloudDeployment & Data
Data Residency Options
Verify with vendor for your specific region requirements.
Open-source framework for LLM and search apps
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