Both sit in the memory layer with similar commercial terms, so the practical split is language: Mem0 targets Python and Cognee targets Python.
Extracts durable facts from conversations and recalls them on the next turn.
Builds a graph + vector memory layer over your agent's history and documents.
| Mem0 | Cognee | |
|---|---|---|
| Licence | Open source | Open source |
| Pricing | freemium | open source |
| Self-hostable | Yes | Yes |
| Languages | Python, TypeScript | Python |
| Install | pip install mem0ai | pip install cognee |
| Keys required | MEM0_API_KEY | None |
Both sit in the memory layer with similar commercial terms, so the practical split is language: Mem0 targets Python and Cognee targets Python. Mem0: Extracts durable facts from conversations and recalls them on the next turn. Cognee: Builds a graph + vector memory layer over your agent's history and documents.
Mem0 can run on your own infrastructure. Cognee can run on your own infrastructure.
Mem0 is open source (freemium). Cognee is open source (open source).
Every page here answers to Accept: text/markdown and returns the same content at roughly a tenth the tokens. No separate site, no toggle — same URL.
curl -s -H "Accept: text/markdown" https://newagent.build/compare/mem0-vs-cognee