About LangChain
LangChain is a widely known developer framework for LLM applications, orchestration, retrieval pipelines, and agent patterns.
Developer Frameworks
LangChain
Major ecosystem for building LLM-powered apps, chains, retrieval, and agent flows.
8.3
Open SourceSelf-HostedFree PlanAPI
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Best for
developers building custom AI systems
Quick facts
- Pricing: open-source-plus-cloud
- Open source: Yes
- Self-hosted: Yes
- Free plan: Yes