head to head · open source
cognee vs matrixone
cognee has 30,848 GitHub stars, 3,066 forks, 495 open issues and last shipped yesterday. matrixone has 1,888 stars, 312 forks, 745 open issues and last shipped today. cognee leads on adoption by 1,534% (30,848 vs 1,888 stars). cognee is written in Python under Apache-2.0; matrixone is written in Go under Apache-2.0. cognee has attracted 10% as many forks as stars, matrixone 17%. matrixone was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| cognee | matrixone | |
|---|---|---|
| GitHub stars | ★ 31K | ★ 1.9K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Python | Go |
| Last push | 2026-09-19 | 2026-09-20 |
| Forks | ⑂ 3.1K | ⑂ 312 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick cognee if
- You weight community size — 31K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick matrixone if
- You want the matrixone feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and matrixone fits your workflow better
About cognee
Cognee is an open source AI memory platform for agents, released under the Apache 2.0 license and written in Python. It ingests data in any format and builds a self hosted knowledge graph that agents query to recall, connect, and act with full context across sessions. The project lives in the Python ecosystem, installs through standard package managers, and sits in the AI and machine learning infrastructure category alongside graph databases and context engineering tooling. A companion research paper, "Optimizing the Interface Between Knowledge Graphs and LLMs for Complex Reasoning" by Markovic et al., 2025, docu…
read the full cognee overview →
About matrixone
MatrixOne is an AI native HTAP database written in Go that brings Git style version control to data and adds built in vector and full text search, built for teams shipping intelligent agents, RAG applications, and real time analytical workloads that would rather run one system than four.
read the full matrixone overview →
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Frequently asked questions
Is cognee or matrixone more popular?
cognee has 30,848 GitHub stars and matrixone has 1,888. cognee has the larger community by that measure.
Are cognee and matrixone free?
Both are open source. cognee is licensed under Apache-2.0 and matrixone under Apache-2.0. Neither carries a licence fee.
What is the difference between cognee and matrixone?
cognee is written in Python and matrixone in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, cognee or matrixone?
Choose cognee if you want the larger community (30,848 stars) or its Apache-2.0 licence terms. Choose matrixone if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.