head to head · open source
Mem0 vs oh-my-pi
Mem0 has 68,474 GitHub stars, 8,129 forks, 742 open issues and last shipped 2 days ago. oh-my-pi has 37,931 stars, 4,277 forks, 2,964 open issues and last shipped yesterday. Mem0 leads on adoption by 81% (68,474 vs 37,931 stars). Mem0 is written in Python under Apache-2.0; oh-my-pi is written in TypeScript under MIT. Mem0 has attracted 12% as many forks as stars, oh-my-pi 11%. oh-my-pi was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (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 | oh-my-pi | |
|---|---|---|
| GitHub stars | ★ 68K | ★ 38K |
| License | Apache-2.0 | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-11-04 | 2026-11-05 |
| Forks | ⑂ 8.1K | ⑂ 4.3K |
| 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 oh-my-pi if
- You want the oh-my-pi feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and oh-my-pi 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 oh-my-pi
A coding agent with the IDE wired in. omp.sh Fork of Pi by @mariozechner The most capable agent surface that ships. Continuously tuned by real world use — complete out of the box, open all the way down. 60+ providers · 31 built in tools · 14 lsp ops · 28 dap ops · 80k lines of Rust core. [!NOTE] Pull requests are temporarily open to everyone as a trial. We previously required a vouch before accepting PRs; that requirement is lifted for now while we evaluate how open contributions go. Depending on the results, the vouch system may return. Install macOS · Linux Alpine / musl: the prebuilt musl binary links…
read the full oh-my-pi overview →
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Frequently asked questions
Is Mem0 or oh-my-pi more popular?
Mem0 has 68,474 GitHub stars and oh-my-pi has 37,931. Mem0 has the larger community by that measure.
Are Mem0 and oh-my-pi free?
Both are open source. Mem0 is licensed under Apache-2.0 and oh-my-pi under MIT. Neither carries a licence fee.
What is the difference between Mem0 and oh-my-pi?
Mem0 is written in Python and oh-my-pi 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 oh-my-pi?
Choose Mem0 if you want the larger community (68,474 stars) or its Apache-2.0 licence terms. Choose oh-my-pi if its feature set, stack or MIT licence fits better. Both are self-hostable.