Memory & Context
Alternatives to Mem0
4 memory & context tools you can use instead of Mem0, 2 of them open source. Summaries come from each vendor's own site. Links checked Oct 16, 2026.
At a glance
Mem0 alternatives compared
| Tool | What it does | Open source | Head to head |
|---|---|---|---|
| Cognee | Open-source agent memory platform built on graph and vector stores. | Yes | Mem0 vs Cognee |
| Letta | Platform for stateful agents that keep long-term memory. | Yes | Mem0 vs Letta |
| Supermemory | Memory and continual learning engine for agents. | No | Mem0 vs Supermemory |
| Zep | Context layer that unifies business data, documents, and chats for agents. | No | Mem0 vs Zep |
Memory & Context
All 4 alternatives
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Cognee
cognee.aiOpen-source agent memory platform built on graph and vector stores.
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Letta
letta.comPlatform for stateful agents that keep long-term memory.
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Supermemory
supermemory.aiMemory and continual learning engine for agents.
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Zep
getzep.comContext layer that unifies business data, documents, and chats for agents.
FAQ
Questions
What are the alternatives to Mem0?
Agent Stack Directory lists 4 other memory & context tools: Cognee, Letta, Supermemory, Zep.
Is there an open-source alternative to Mem0?
Yes. Among the alternatives we list, these are marked open source: Cognee, Letta.
What does Mem0 do?
Memory layer that lets agents learn from past interactions. (Summary based on mem0.ai, link checked 2026-10-16.)