About Zep
Context layer that unifies business data, documents, and chats for agents.
Memory & Context
Alternatives to Zep
4 memory & context tools you can use instead of Zep, 3 of them open source. Summaries come from each vendor's own site. Links checked Oct 16, 2026.
At a glance
Zep alternatives compared
| Tool | What it does | Open source | Head to head |
|---|---|---|---|
| Cognee | Open-source agent memory platform built on graph and vector stores. | Yes | Zep vs Cognee |
| Letta | Platform for stateful agents that keep long-term memory. | Yes | Zep vs Letta |
| Mem0 | Memory layer that lets agents learn from past interactions. | Yes | Zep vs Mem0 |
| Supermemory | Memory and continual learning engine for agents. | No | Zep vs Supermemory |
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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Mem0
mem0.aiMemory layer that lets agents learn from past interactions.
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Supermemory
supermemory.aiMemory and continual learning engine for agents.
FAQ
Questions
What are the alternatives to Zep?
Agent Stack Directory lists 4 other memory & context tools: Cognee, Letta, Mem0, Supermemory.
Is there an open-source alternative to Zep?
Yes. Among the alternatives we list, these are marked open source: Cognee, Letta, Mem0.
What does Zep do?
Context layer that unifies business data, documents, and chats for agents. (Summary based on getzep.com, link checked 2026-10-16.)