M3-Agent (ByteDance) alternatives

ByteDance Seed + Zhejiang Univ + SJTU. Multimodal agent with long-term memory as entity-centric graph built from live video + audio streams. Parallel memorisation + control processes. Ships M3-Bench evaluation dataset. Full M3-Agent (ByteDance) record →

  1. 1 Mem0 Dedicated memory layers

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

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 67k released 2026-09-25 Apache-2.0 Compare with M3-Agent (ByteDance) →

  2. 2 Zep & Graphiti Dedicated memory layers

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

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 32k released 2026-09-01 Apache-2.0 Compare with M3-Agent (ByteDance) →

  3. 3 SuperLocalMemory Dedicated memory layers

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

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 227 released 2026-10-17 AGPL-3.0-or-later (commercial licence available) Compare with M3-Agent (ByteDance) →

  4. 4 Hindsight (Vectorize) Dedicated memory layers

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

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 45k released 2026-10-21 MIT Compare with M3-Agent (ByteDance) →

  5. 5 Supermemory Dedicated memory layers

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

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 31k released 2026-10-12 MIT Compare with M3-Agent (ByteDance) →

  6. 6 Cognee Dedicated memory layers

    also in Dedicated memory layers · same storage (graph) · same retrieval (graph-traversal, similarity) · 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 M3-Agent (ByteDance) →

  7. 7 Pieces for Developers (LTM) Dedicated memory layers

    also in Dedicated memory layers · same storage (vector) · same retrieval (similarity) · same memory unit (episode) · also self-hostable · also offered managed

    OSS ? Self-host ✓ Managed ✓ MCP ✓ ★ 113 Compare with M3-Agent (ByteDance) →

  8. 8 Backboard Dedicated memory layers

    also in Dedicated memory layers · same storage (vector) · same retrieval (similarity) · same memory unit (episode) · also self-hostable · also offered managed

    OSS — Self-host ✓ Managed ✓ MCP ? ★ 18 Unlicensed Compare with M3-Agent (ByteDance) →

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.