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Alternatives

Letta alternatives, ranked by AI

What ChatGPT, Claude, Gemini & Grok recommend instead of Letta — on every leaderboard where it competes, with Letta's own position shown. Re-polled continuously; every ranking links to its full audit trail.

Best long-term memory stores for AI agents

Letta ranks #3 of 10
  1. #1Mem0
  2. #2Zep
  3. #3Supermemory
  4. #4Cognee

Full ranking + every model's reasoning →

Best memory layer for AI agents

Letta ranks #3 of 7
  1. #1Mem0
  2. #2Zep
  3. #3Cognee
  4. #4LangMem

Full ranking + every model's reasoning →

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