Haystack Memory (deepset) alternatives

Haystack 2.x: InMemoryChatMessageStore (experimental) + ChatMessageRetriever + ChatMessageWriter components in declarative pipelines. Legacy: ConversationSummaryMemory with LLM-compressed rolling summaries. Full Haystack Memory (deepset) record →

  1. 1 Spring AI ChatMemory Framework-embedded memory

    also in Framework-embedded memory · same storage (kv) · same retrieval (injection) · same conflict handling (append) · same memory unit (document) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 9.4k released 2026-08-21 Apache-2.0 Compare with Haystack Memory (deepset) →

  2. 2 smolagents Memory Framework-embedded memory

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

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 29k released 2026-05-29 Apache-2.0 Compare with Haystack Memory (deepset) →

  3. 3 DSPy History Framework-embedded memory

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

    OSS ✓ Self-host ✓ Managed ✓ MCP ? ★ 37k MIT Compare with Haystack Memory (deepset) →

  4. 4 AutoGen Memory Framework-embedded memory ⚠ maintenance — maintenance mode (bug and security fixes only)

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

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 60k released 2025-09-30 MIT Compare with Haystack Memory (deepset) →

  5. 5 LlamaIndex Memory Framework-embedded memory

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

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 53k released 2026-09-21 MIT Compare with Haystack Memory (deepset) →

  6. 6 LangGraph Persistence Framework-embedded memory

    also in Framework-embedded memory · same storage (kv) · same retrieval (exact-match, injection) · also open source · also self-hostable · also offered managed · also has MCP

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 43k released 2026-10-16 MIT Compare with Haystack Memory (deepset) →

  7. 7 engram Claude Code memory mechanisms

    same retrieval (exact-match) · same conflict handling (append) · same memory unit (document) · also open source · also self-hostable · also has MCP

    OSS ✓ Self-host ✓ Managed — MCP ✓ ★ 6.7k released 2026-10-21 MIT Compare with Haystack Memory (deepset) →

  8. 8 Inngest AgentKit — Network State Framework-embedded memory

    also in Framework-embedded memory · same storage (kv) · same retrieval (exact-match) · also open source · also self-hostable · also offered managed · also has MCP

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 926 Apache-2.0 Compare with Haystack Memory (deepset) →

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.