Both are open source framework options with comparable terms, so the choice comes down to which model of the problem you prefer — compare the descriptions below rather than the licence.
Graph-shaped orchestration with checkpointing, interrupts and human-in-the-loop.
Data-first framework — ingestion, indexing and RAG-heavy agents.
| LangGraph | LlamaIndex | |
|---|---|---|
| Licence | Open source | Open source |
| Pricing | open source | freemium |
| Self-hostable | Yes | Yes |
| Languages | Python, TypeScript | Python, TypeScript |
| Install | pip install langgraph | pip install llama-index |
| Keys required | None | None |
Both are open source framework options with comparable terms, so the choice comes down to which model of the problem you prefer — compare the descriptions below rather than the licence. LangGraph: Graph-shaped orchestration with checkpointing, interrupts and human-in-the-loop. LlamaIndex: Data-first framework — ingestion, indexing and RAG-heavy agents.
LangGraph can run on your own infrastructure. LlamaIndex can run on your own infrastructure.
LangGraph is open source (open source). LlamaIndex is open source (freemium).
Every page here answers to Accept: text/markdown and returns the same content at roughly a tenth the tokens. No separate site, no toggle — same URL.
curl -s -H "Accept: text/markdown" https://newagent.build/compare/langgraph-vs-llamaindex