LlamaIndex Memory alternatives

Two-tier model: ChatMessage FIFO queue with overflow flushed into long-term Memory Block objects. Memory class replacing older ChatMemoryBuffer. Full LlamaIndex Memory record →

  1. 1 smolagents Memory Framework-embedded memory

    also in Framework-embedded memory · same storage (kv) · same retrieval (injection) · same memory unit (episode) · also open source · also self-hostable · also offered managed

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 29k released 2026-05-29 Apache-2.0 Compare with LlamaIndex Memory →

  2. 2 Langflow Memory Framework-embedded memory ⚠ acquired — acquired by DataStax

    also in Framework-embedded memory · same retrieval (injection) · same conflict handling (append-only) · same memory unit (episode) · also open source · also self-hostable · also offered managed

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 156k released 2026-08-19 MIT Compare with LlamaIndex Memory →

  3. 3 CrewAI Memory Framework-embedded memory

    also in Framework-embedded memory · same storage (kv) · same retrieval (injection) · same memory unit (episode) · also open source · also self-hostable · also offered managed

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 51k released 2026-10-14 MIT Compare with LlamaIndex Memory →

  4. 4 LangGraph Persistence Framework-embedded memory

    also in Framework-embedded memory · same storage (kv) · same retrieval (injection) · same memory unit (episode) · also open source · also self-hostable · also offered managed

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 43k released 2026-10-16 MIT Compare with LlamaIndex Memory →

  5. 5 OpenAI Agents SDK Memory Framework-embedded memory

    also in Framework-embedded memory · same storage (kv) · same retrieval (injection) · same memory unit (episode) · also open source · also self-hostable · also offered managed

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 29k released 2026-10-15 MIT Compare with LlamaIndex Memory →

  6. 6 Google ADK Memory Framework-embedded memory

    also in Framework-embedded memory · same storage (kv) · same retrieval (injection) · same memory unit (episode) · also open source · also self-hostable · also offered managed

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 21k released 2026-08-07 Apache-2.0 Compare with LlamaIndex Memory →

  7. 7 LangMem (LangChain) Framework-embedded memory

    also in Framework-embedded memory · same storage (kv) · same retrieval (injection) · same memory unit (episode) · also open source · also self-hostable · also offered managed

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 1.6k released 2025-10-27 MIT Compare with LlamaIndex Memory →

  8. 8 Mistral Vibe (Remote Agents) + Mistral Medium 3.5 Coding-agent memory

    same storage (kv) · same retrieval (injection) · same memory unit (episode) · also open source · also self-hostable · also offered managed · also has MCP

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 4.9k released 2026-10-20 Apache-2.0 (Vibe CLI); Modified MIT (Medium 3.5… Compare with LlamaIndex Memory →

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.