head to head · open source
Mem0 vs qwen-code
Mem0 has 65,672 GitHub stars, 7,712 forks, 742 open issues and last shipped yesterday. qwen-code has 27,997 stars, 3,076 forks, 1,422 open issues and last shipped today. Mem0 leads on adoption by 135% (65,672 vs 27,997 stars). Mem0 is written in Python under Apache-2.0; qwen-code is written in TypeScript under Apache-2.0. Mem0 has attracted 12% as many forks as stars, qwen-code 11%. qwen-code was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (ai, llm), so they are genuine substitutes rather than adjacent tools.
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
| Mem0 | qwen-code | |
|---|---|---|
| GitHub stars | ★ 66K | ★ 28K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Python | TypeScript |
| Last push | 2026-09-19 | 2026-09-20 |
| Forks | ⑂ 7.7K | ⑂ 3.1K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Mem0 if
- You weight community size — 66K 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 qwen-code if
- You want the qwen-code feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and qwen-code fits your workflow better
About Mem0
Mem0 is an open source memory layer for AI agents and applications, designed to store, retrieve, and manage persistent context across interactions. It lives in the Python based AI development ecosystem and provides infrastructure that enables agents and apps to remember user preferences, conversation history, and state over time—moving beyond ephemeral chat sessions toward truly adaptive systems.
About qwen-code
Qwen Code is an open source AI coding agent that runs in the terminal, with additional interfaces for editors, desktop, browser, and chat. It is written in TypeScript and released under the Apache 2.0 license, and it lives in the AI and machine learning ecosystem as a development platform for agentic coding. The project is maintained by QwenLM and published on npm as @qwen code/qwen code , with a documentation site hosted at qwenlm.github.io. It ships as a command line tool named qwen that opens an interactive session inside a project directory.
read the full qwen-code overview →
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Frequently asked questions
Is Mem0 or qwen-code more popular?
Mem0 has 65,672 GitHub stars and qwen-code has 27,997. Mem0 has the larger community by that measure.
Are Mem0 and qwen-code free?
Both are open source. Mem0 is licensed under Apache-2.0 and qwen-code under Apache-2.0. Neither carries a licence fee.
What is the difference between Mem0 and qwen-code?
Mem0 is written in Python and qwen-code in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Mem0 or qwen-code?
Choose Mem0 if you want the larger community (65,672 stars) or its Apache-2.0 licence terms. Choose qwen-code if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.