head to head · open source
ponytail vs oh-my-pi
ponytail has 182,779 GitHub stars, 10,094 forks, 270 open issues and last shipped 5 days ago. oh-my-pi has 37,543 stars, 4,224 forks, 2,964 open issues and last shipped yesterday. ponytail leads on adoption by 387% (182,779 vs 37,543 stars). ponytail is written in JavaScript under MIT; oh-my-pi is written in TypeScript under MIT. ponytail has attracted 6% 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 2 topic tags (claude, 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.
← all 20902 open source comparisons
Side by side
| ponytail | oh-my-pi | |
|---|---|---|
| GitHub stars | ★ 183K | ★ 38K |
| License | MIT | MIT |
| Written in | JavaScript | TypeScript |
| Last push | 2026-10-29 | 2026-11-02 |
| Forks | ⑂ 10K | ⑂ 4.2K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ponytail if
- You weight community size — 183K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- 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 ponytail
Ponytail He says nothing. He writes one line. It works. 54% less code (up to 94%) · 20% cheaper · 27% faster · 100% safe Measured on real Claude Code sessions editing a real open source repo (FastAPI + React), against the same agent with no skill. 54% is the mean across 12 feature tasks (Haiku 4.5, n=4); it reaches 94% where an agent over builds (a date picker) and is near zero where the code is already minimal. ponytail keeps every safety guard while a bare "write one liners" prompt drops one. (The earlier single shot benchmark reported 80 94% as a flat figure; against a fair agentic…
read the full ponytail overview →
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 →
More in AI & Machine Learning
Related comparisons
More AI Development Platforms projects
Compare either of these against the rest of the AI Development Platforms field.
Frequently asked questions
Is ponytail or oh-my-pi more popular?
ponytail has 182,779 GitHub stars and oh-my-pi has 37,543. ponytail has the larger community by that measure.
Are ponytail and oh-my-pi free?
Both are open source. ponytail is licensed under MIT and oh-my-pi under MIT. Neither carries a licence fee.
What is the difference between ponytail and oh-my-pi?
ponytail is written in JavaScript 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, ponytail or oh-my-pi?
Choose ponytail if you want the larger community (182,779 stars) or its MIT licence terms. Choose oh-my-pi if its feature set, stack or MIT licence fits better. Both are self-hostable.