Mem0 alternatives

Universal memory layer for AI agents. Three concurrent stores (vector + graph + KV); LLM-extracted facts; concurrent retrieval via ThreadPoolExecutor. Full Mem0 record →

  1. 1 Supermemory Dedicated memory layers

    also in Dedicated memory layers · same storage (vector, graph) · same retrieval (similarity, graph-traversal) · same conflict handling (llm-arbitrate) · same memory unit (fact) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 31k released 2026-10-12 MIT Compare with Mem0 →

  2. 2 Cognee Dedicated memory layers

    also in Dedicated memory layers · same storage (graph) · same retrieval (similarity, graph-traversal) · same conflict handling (llm-arbitrate) · same memory unit (fact) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 31k released 2026-10-16 Apache-2.0 Compare with Mem0 →

  3. 3 O-Mem Dedicated memory layers

    also in Dedicated memory layers · same storage (vector, graph) · same retrieval (similarity, graph-traversal) · same conflict handling (llm-arbitrate) · same memory unit (fact, episode) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ✓ MCP ? ★ 79 Apache-2.0 Compare with Mem0 →

  4. 4 Letta / MemGPT Dedicated memory layers

    also in Dedicated memory layers · same storage (vector, kv) · same retrieval (similarity) · same conflict handling (llm-arbitrate) · same memory unit (fact, episode) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 3.7k released 2026-10-29 Apache-2.0 Compare with Mem0 →

  5. 5 Zep & Graphiti Dedicated memory layers

    also in Dedicated memory layers · same storage (graph) · same retrieval (similarity, graph-traversal) · same memory unit (fact, episode) · also open source · also self-hostable · also offered managed

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 32k released 2026-09-01 Apache-2.0 Compare with Mem0 →

  6. 6 Official MCP Memory server Claude Code memory mechanisms

    same storage (graph) · same retrieval (graph-traversal) · same conflict handling (llm-arbitrate) · same memory unit (fact) · also open source · also self-hostable · also has MCP

    OSS ✓ Self-host ✓ Managed — MCP ✓ ★ 90k released 2026-08-31 Apache-2.0 AND MIT (new contributions… Compare with Mem0 →

  7. 7 Hindsight MCP Claude Code memory mechanisms

    same storage (graph) · same retrieval (graph-traversal) · same conflict handling (llm-arbitrate) · same memory unit (fact, episode) · also open source · also self-hostable · also offered managed

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 45k released 2026-10-21 MIT Compare with Mem0 →

  8. 8 Cognee MCP Claude Code memory mechanisms

    same storage (graph) · same retrieval (graph-traversal) · same conflict handling (llm-arbitrate) · same memory unit (fact) · also open source · also self-hostable · also offered managed

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 31k released 2026-10-16 Apache-2.0 Compare with Mem0 →

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.