head to head · open source
Mem0 vs cli
Mem0 has 68,288 GitHub stars, 8,104 forks, 742 open issues and last shipped 4 days ago. cli has 32,064 stars, 1,978 forks, 131 open issues and last shipped 4 days ago. Mem0 leads on adoption by 113% (68,288 vs 32,064 stars). Mem0 is written in Python under Apache-2.0; cli is written in Rust under Apache-2.0. Mem0 has attracted 12% as many forks as stars, cli 6%. Mem0 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
| Mem0 | cli | |
|---|---|---|
| GitHub stars | ★ 68K | ★ 32K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Python | Rust |
| Last push | 2026-10-30 | 2026-10-30 |
| Forks | ⑂ 8.1K | ⑂ 2.0K |
| 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 cli if
- You want the cli feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Rust
- You evaluated both and cli 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 cli
gws One CLI for all of Google Workspace — built for humans and AI agents. Drive, Gmail, Calendar, and every Workspace API. Zero boilerplate. Structured JSON output. 40+ agent skills included. [!NOTE] This is not an officially supported Google product. ⬇️ Download the latest release for your OS gws doesn't ship a static list of commands. It reads Google's own Discovery Service at runtime and builds its entire command surface dynamically. When Google Workspace adds an API endpoint or method, gws picks it up automatically. [!IMPORTANT] This project is under active development. Expect breaking changes as we march…
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Frequently asked questions
Is Mem0 or cli more popular?
Mem0 has 68,288 GitHub stars and cli has 32,064. Mem0 has the larger community by that measure.
Are Mem0 and cli free?
Both are open source. Mem0 is licensed under Apache-2.0 and cli under Apache-2.0. Neither carries a licence fee.
What is the difference between Mem0 and cli?
Mem0 is written in Python and cli in Rust. 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 cli?
Choose Mem0 if you want the larger community (68,288 stars) or its Apache-2.0 licence terms. Choose cli if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.