LangChain / LangGraph vs LlamaIndex
| LangChain / LangGraph | LlamaIndex | |
|---|---|---|
| What it is | LangChain's open-source agent frameworks, including LangGraph, a low-level orchestration framework for building resilient agents. | Document processing platform for AI, with an open-source framework for agents and RAG. |
| Use case | Agent frameworks | Agent frameworks |
| Pricing tier | Free | Freemium |
| Pricing note | LangGraph is MIT licensed. The separate LangSmith platform lists a $0 Developer seat and a $39/seat Plus plan. | Pricing page lists a Free plan with 10K credits and a $50/month Starter plan; the framework is MIT licensed. |
| Skill level* | Advanced | Advanced |
| License | MIT (LangGraph) | MIT |
| Vibe badges* | Open source Code-first | Open source Code-first |
| Official site | www.langchain.com ↗ | www.llamaindex.ai ↗ |
| Added to directory | 2026-10-15 | 2026-10-15 |
* Skill level and vibe badges are our own editorial labels, not benchmarks. Pricing notes come from each tool's own site and may have changed.
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