Vertex AI Memory Bank (now Agent Platform Memory Bank) alternatives

Google Cloud managed memory service, now 'Agent Platform Memory Bank' in Gemini Enterprise Agent Platform. LLM-based memory extraction/consolidation from sessions (background, multimodal, custom topics), per-identity isolation, similarity search, TTL… Full Vertex AI Memory Bank (now Agent Platform Memory Bank) record →

  1. 1 LinkedIn Cognitive Memory Agent Platform-provider memory

    also in Platform-provider memory · same storage (vector) · same retrieval (similarity) · same memory unit (fact) · also offered managed

    OSS ? Self-host — Managed ✓ MCP ? Compare with Vertex AI Memory Bank (now Agent Platform Memory Bank) →

  2. 2 Mem0 Dedicated memory layers

    same storage (vector) · same retrieval (similarity) · same memory unit (fact) · also offered managed · also has MCP

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 67k released 2026-09-25 Apache-2.0 Compare with Vertex AI Memory Bank (now Agent Platform Memory Bank) →

  3. 3 Mem0 Security / OpenMemory Memory governance, privacy & safety

    same storage (vector) · same retrieval (similarity) · same memory unit (fact) · also offered managed · also has MCP

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 67k released 2026-09-25 Apache-2.0 Compare with Vertex AI Memory Bank (now Agent Platform Memory Bank) →

  4. 4 Supermemory Dedicated memory layers

    same storage (vector) · same retrieval (similarity) · same memory unit (fact) · also offered managed · also has MCP

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 31k released 2026-10-12 MIT Compare with Vertex AI Memory Bank (now Agent Platform Memory Bank) →

  5. 5 Omi Voice-first / wearable AI memory

    same storage (vector) · same retrieval (similarity) · same memory unit (fact) · also offered managed · also has MCP

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 13k released 2026-10-22 MIT Compare with Vertex AI Memory Bank (now Agent Platform Memory Bank) →

  6. 6 Letta / MemGPT Dedicated memory layers

    same storage (vector) · same retrieval (similarity) · same memory unit (fact) · also offered managed · also has MCP

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 3.7k released 2026-10-29 Apache-2.0 Compare with Vertex AI Memory Bank (now Agent Platform Memory Bank) →

  7. 7 CrewAI Memory Framework-embedded memory

    same storage (vector) · same retrieval (similarity) · same memory unit (fact) · also offered managed · also has MCP

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 51k released 2026-10-14 MIT Compare with Vertex AI Memory Bank (now Agent Platform Memory Bank) →

  8. 8 Agno (Phidata) Memory Framework-embedded memory

    same storage (vector) · same retrieval (similarity) · same memory unit (fact) · also offered managed · also has MCP

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 43k released 2026-10-21 Apache-2.0 Compare with Vertex AI Memory Bank (now Agent Platform Memory Bank) →

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.