head to head · open source
Dify vs Mem0
Dify has 156,167 GitHub stars, 24,658 forks, 1,067 open issues and last shipped yesterday. Mem0 has 65,505 stars, 7,683 forks, 742 open issues and last shipped yesterday. Dify leads on adoption by 138% (156,167 vs 65,505 stars). Dify is written in TypeScript under a custom or non-standard licence; Mem0 is written in Python under Apache-2.0. Dify has attracted 16% as many forks as stars, Mem0 12%. Dify was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (ai, genai, 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
| Dify | Mem0 | |
|---|---|---|
| GitHub stars | ★ 156K | ★ 66K |
| License | Custom / other | Apache-2.0 |
| Written in | TypeScript | Python |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 25K | ⑂ 7.7K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Dify if
- You weight community size — 156K stars and counting
- You want the Custom / other license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick Mem0 if
- You want the Mem0 feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and Mem0 fits your workflow better
About Dify
Dify is an open source LLM application development platform built in TypeScript. It provides a visual interface for designing, testing, and deploying AI workflows, RAG pipelines, and agentic systems without writing extensive code. The platform lives in the generative AI development ecosystem and targets teams needing to move from prototype to production using consistent tooling across environments.
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.
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Frequently asked questions
Is Dify or Mem0 more popular?
Dify has 156,167 GitHub stars and Mem0 has 65,505. Dify has the larger community by that measure.
Are Dify and Mem0 free?
Both are open source. Dify has no licence declared in this registry, and Mem0 is licensed under Apache-2.0. Both are free to self-host.
What is the difference between Dify and Mem0?
Dify is written in TypeScript and Mem0 in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Dify or Mem0?
Choose Dify if you want the larger community (156,167 stars) or its Custom / other licence terms. Choose Mem0 if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.