PathRAG alternatives

Retrieves key relational paths from knowledge graph; flow-based pruning + reliability scoring; path-based prompting. Outperforms baselines on six datasets. arxiv Feb 2025. Full PathRAG record →

  1. 1 LazyGraphRAG Retrieval-as-memory hybrids

    also in Retrieval-as-memory hybrids · same storage (graph) · same retrieval (graph-traversal, hybrid-rerank) · same memory unit (chunk) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ? MCP ? ★ 35k released 2026-08-21 MIT Compare with PathRAG →

  2. 2 KAG Retrieval-as-memory hybrids

    also in Retrieval-as-memory hybrids · same storage (graph) · same retrieval (graph-traversal, hybrid-rerank) · same memory unit (chunk) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ? MCP ? ★ 9.0k released 2025-06-28 Apache-2.0 Compare with PathRAG →

  3. 3 HiRAG Retrieval-as-memory hybrids

    also in Retrieval-as-memory hybrids · same storage (graph) · same retrieval (graph-traversal) · same memory unit (chunk) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ? MCP ? ★ 557 MIT Compare with PathRAG →

  4. 4 LightRAG Retrieval-as-memory hybrids

    also in Retrieval-as-memory hybrids · same storage (graph) · same retrieval (graph-traversal) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ? MCP ? ★ 39k released 2026-09-02 MIT Compare with PathRAG →

  5. 5 HippoRAG 2 Retrieval-as-memory hybrids

    also in Retrieval-as-memory hybrids · same storage (graph) · same retrieval (graph-traversal) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ? MCP ? ★ 4.0k MIT Compare with PathRAG →

  6. 6 GraphRAG (Microsoft) Retrieval-as-memory hybrids ⚠ maintenance — maintenance mode (bug and security fixes only)

    also in Retrieval-as-memory hybrids · same storage (graph) · same retrieval (graph-traversal) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ? MCP ? ★ 35k released 2026-10-08 MIT Compare with PathRAG →

  7. 7 Graphiti MCP Server (Zep) Claude Code memory mechanisms

    same storage (graph) · same retrieval (graph-traversal) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 32k released 2026-10-20 Apache-2.0 Compare with PathRAG →

  8. 8 Hindsight MCP Claude Code memory mechanisms

    same storage (graph) · same retrieval (graph-traversal) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 45k released 2026-10-21 MIT Compare with PathRAG →

Ranked by shared memory design (storage, retrieval, conflict handling, memory unit), same section and shared must-haves (open source, self-hosting, MCP), with adoption as a tie-breaker. ✓ confirmed · — no · ? not in the catalog yet. Want picks for your own requirements? Use the chooser. Checking a whole project? Check your stack.