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The best GraphRAG alternatives

5 tools that do a similar job to GraphRAG, 5 of them open source. Each entry says what it does and who it suits, so you can pick the one that fits instead of the most famous.

You're replacing

GraphRAG

Python pipeline that uses an LLM to turn raw text into a graph for answering questions over private documents.

  1. 1

    LightRAG

    Open source · MIT · ★ 40.5k

    A Python library that builds a knowledge graph from your documents to answer questions with an LLM.

    Best for: Developers building question-answering over their own document collections; Teams who want a graph-based alternative to plain vector-search RAG

    Full review GraphRAG vs LightRAG
  2. 2

    LlamaIndex

    Open source · MIT · ★ 52.8k

    Python framework for building LLM apps that query your own documents and data.

    Best for: Python developers building retrieval-augmented generation (RAG) apps over private documents; Teams wanting a modular toolkit where they can swap LLM, embedding and vector store providers

    Full review GraphRAG vs LlamaIndex
  3. 3

    PageIndex

    Open source · MIT · ★ 40k

    Lets an AI find answers in long documents by reading a table-of-contents-style tree, not vector search.

    Best for: Developers building question-answering over long PDFs such as annual reports or manuals; Teams who want retrieved answers to be traceable to explicit sections of a document

    Full review GraphRAG vs PageIndex
  4. 4

    LEANN

    Open source · MIT · ★ 13.8k

    Local semantic search over your own files and chats, using far less storage than typical vector databases.

    Best for: Developers building a private RAG prototype on a personal machine; People who want to semantically search their own files or notes locally

    Full review
  5. 5

    ScrapeGraphAI

    Open source · MIT · ★ 32.4k

    Python library that uses an LLM to scrape websites and local documents based on a plain-language prompt.

    Best for: Developers who want to extract structured data from web pages using a plain-language prompt; Data teams prototyping scrapers for pages with changing layouts

    Full review

How we pick: tools in the same category that solve the same problem, projects that name each other as alternatives, and open-source projects that describe themselves as an alternative to GraphRAG. We don't take payment for placement.