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