LangGraph vs LlamaIndex
A side-by-side comparison to help you choose the right tool.
87
LangGraph scores higher overall (87/100)
But the best choice depends on your specific needs. Compare below.
| Feature | LangGraph | LlamaIndex |
|---|---|---|
| Our score | 87 | 85 |
| Pricing | Open-source project with no core license fee. | Open-source core project; no license fee for core framework use. |
| Free plan | Yes | Yes |
| Best for | Teams building serious agent workflows, Developers who need state and branching control, Builders who outgrew simple chains | Teams building data-heavy AI assistants, Developers who need better structure around retrieval pipelines, Projects with lots of internal documents or knowledge bases |
| Platforms | mac, windows, linux, api | mac, windows, linux, api |
| API | Yes | Yes |
| Languages | en | en |
| Pros |
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| Visit site | Visit site |
- Pricing
- Open-source project with no core license fee.
- Free plan
- Yes
- Best for
- Teams building serious agent workflows, Developers who need state and branching control, Builders who outgrew simple chains
- Platforms
- mac, windows, linux, api
- API
- Yes
- Languages
- en
- Pricing
- Open-source core project; no license fee for core framework use.
- Free plan
- Yes
- Best for
- Teams building data-heavy AI assistants, Developers who need better structure around retrieval pipelines, Projects with lots of internal documents or knowledge bases
- Platforms
- mac, windows, linux, api
- API
- Yes
- Languages
- en
87Choose LangGraph if:
- You are Teams building serious agent workflows
- You are Developers who need state and branching control
- You are Builders who outgrew simple chains
- You want to start free
85Choose LlamaIndex if:
- You are Teams building data-heavy AI assistants
- You are Developers who need better structure around retrieval pipelines
- You are Projects with lots of internal documents or knowledge bases
- You want to start free
FAQ
- What is the difference between LangGraph and LlamaIndex?
- LangGraph is a graph-based framework for building stateful, multi-step agent workflows with more explicit control than plain prompt chaining. LlamaIndex is an open-source framework focused on connecting llms to structured and unstructured data through indexing, retrieval, and agent patterns.
- Which is cheaper, LangGraph or LlamaIndex?
- LangGraph: Open-source project with no core license fee.. LlamaIndex: Open-source core project; no license fee for core framework use.. LangGraph has a free plan. LlamaIndex has a free plan.
- Who is LangGraph best for?
- LangGraph is best for Teams building serious agent workflows, Developers who need state and branching control, Builders who outgrew simple chains.
- Who is LlamaIndex best for?
- LlamaIndex is best for Teams building data-heavy AI assistants, Developers who need better structure around retrieval pipelines, Projects with lots of internal documents or knowledge bases.