head to head · open source
Mem0 vs crewAI
Mem0 has 68,364 GitHub stars, 8,111 forks, 742 open issues and last shipped 6 days ago. crewAI has 60,469 stars, 9,025 forks, 353 open issues and last shipped 2 days ago. Mem0 leads on adoption by 13% (68,364 vs 60,469 stars). Mem0 is written in Python under Apache-2.0; crewAI is written in Python under MIT. Mem0 has attracted 12% as many forks as stars, crewAI 15%. crewAI was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (agents, ai, ai-agents), 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 | crewAI | |
|---|---|---|
| GitHub stars | ★ 68K | ★ 60K |
| License | Apache-2.0 | MIT |
| Written in | Python | Python |
| Last push | 2026-10-30 | 2026-11-03 |
| Forks | ⑂ 8.1K | ⑂ 9.0K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Mem0 if
- You weight community size — 68K 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 crewAI if
- You want the crewAI feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and crewAI fits your workflow better
About Mem0
Learn more · Join Discord · Demo 📄 Benchmarking Mem0's token efficient memory algorithm → New Memory Algorithm (April 2026) All benchmarks run on the same production representative model stack. Single pass retrieval (one call, no agentic loops) at a top 200 retrieval budget. Scores reflect Mem0's managed platform, which includes proprietary optimizations not available in the open source SDK; open source users should expect directionally similar gains but not identical numbers. What changed: Single pass ADD only extraction one LLM call, no UPDATE/DELETE. Memories accumulate; nothing is overwritten. Agent…
About crewAI
Homepage · Open Source · Docs · Start Cloud Trial · Blog · Forum Fast and Flexible Multi Agent Automation Framework CrewAI is an open source Python framework with high level abstractions and low level APIs for building production ready multi agent workflows. It gives developers autonomous agent collaboration through Crews and precise, event driven control through Flows. CrewAI Crews : Optimize for autonomy and collaborative intelligence with role based AI agents. CrewAI Flows : Build event driven automations that combine precise workflow control, single LLM calls, and native support for Crews. With over 100,000…
read the full crewAI overview →
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Frequently asked questions
Is Mem0 or crewAI more popular?
Mem0 has 68,364 GitHub stars and crewAI has 60,469. Mem0 has the larger community by that measure.
Are Mem0 and crewAI free?
Both are open source. Mem0 is licensed under Apache-2.0 and crewAI under MIT. Neither carries a licence fee.
What is the difference between Mem0 and crewAI?
Mem0 is written in Python and crewAI 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, Mem0 or crewAI?
Choose Mem0 if you want the larger community (68,364 stars) or its Apache-2.0 licence terms. Choose crewAI if its feature set, stack or MIT licence fits better. Both are self-hostable.