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Alternatives · Memory systems

Agent Framework memory alternatives, graded

thecontinuitylayer.com/alternatives/microsoft-agent-framework

11 of the 13 memory systems on the record score higher than Agent Framework memory's 4 of 8 (grade C−): Mem0 (7½, A), LangMem and LangGraph Store (7½, A), MemOS (7, A−) lead the ranking. Every grade is read from the maker's own page, checked 3 November 2026, never from a review.

C−
Agent Framework memory · 4 of 8
13
memory systems to compare
11
score higher
3 November 2026
Makers' pages checked

Every memory system on the record, ranked

Agent Framework memory’s own row is shaded. The five columns are the tests a person switching asks about first; each product page has every test, with the maker’s line and the source.

memory systemGradeOpen sourceSelf-hostExportAny modelDelete
Mem0#1 · Mem0A7½/8
LangMem and LangGraph Store#2 · LangChainA7½/8
MemOS#3 · MemTensorA−7/8
Letta#4 · Letta (formerly MemGPT)B+6½/8
Cognee#5 · CogneeB+6½/8
Honcho#6 · Plastic LabsB+6½/8
Zep Cloud#7 · ZepB6/8
Supermemory#8 · SupermemoryB6/8
Memobase#9 · memodb-ioB−5½/8
Claude memory tool#10 · AnthropicC4½/8
Graphiti#11 · ZepC4½/8
Agent Framework memory#12 · Microsoft · this oneC−4/8
Agent Engine Memory Bank#13 · Google CloudD3½/8
OpenAI conversation state#14 · OpenAID3/8
  • Open source · Is it open source?
  • Self-host · Can you run it yourself?
  • Export · Can you take your memory out of it?
  • Any model · Does it work with more than one model provider?
  • Delete · Can you delete a user's memories from it?

Agent Framework memory alternatives, by what matters

8 memory systems that are open source

  1. A Mem0
  2. A LangMem and LangGraph Store
  3. A− MemOS
  4. B+ Letta
  5. B+ Cognee
  6. B+ Honcho
  7. B− Memobase
  8. C Graphiti

Agent Framework memory passes this test too.

9 memory systems you can run yourself

  1. A Mem0
  2. A LangMem and LangGraph Store
  3. A− MemOS
  4. B+ Letta
  5. B+ Cognee
  6. B+ Honcho
  7. B Supermemory
  8. B− Memobase
  9. C Graphiti

Agent Framework memory passes this test too.

4 memory systems that let you take your memory out

  1. A Mem0
  2. A LangMem and LangGraph Store
  3. C Claude memory tool
  4. C Graphiti

Agent Framework memory's grade on this test: partly.

8 memory systems that work with more than one model provider

  1. A Mem0
  2. A LangMem and LangGraph Store
  3. A− MemOS
  4. B+ Letta
  5. B+ Cognee
  6. B+ Honcho
  7. B Supermemory
  8. C Graphiti

Agent Framework memory's grade on this test: partly.

What Microsoft changed lately

  1. Microsoft retired Deep Research in the consumer Copilot app for free users and for subscribers on any plan other than Microsoft 365 Premium; Premium subscribers were pointed to Researcher, and Personal and Family subscribers kept read access to earlier reports. The Podcasts feature was retired in the consumer app the same day.

    source

Every change from Microsoft, dated →

Alternatives to the others

The whole shelf: Memory systems. How the grades are made: How we grade. No maker pays for a place or a grade.