head to head · open source
ponytail vs DeepSeek-Reasonix
ponytail has 141,230 GitHub stars, 7,572 forks, 270 open issues and last shipped 4 days ago. DeepSeek-Reasonix has 35,587 stars, 2,400 forks, 1,908 open issues and last shipped yesterday. ponytail leads on adoption by 297% (141,230 vs 35,587 stars). ponytail is written in JavaScript under MIT; DeepSeek-Reasonix is written in Go under MIT. ponytail has attracted 5% as many forks as stars, DeepSeek-Reasonix 7%. DeepSeek-Reasonix was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (developer-tools, 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
| ponytail | DeepSeek-Reasonix | |
|---|---|---|
| GitHub stars | ★ 141K | ★ 36K |
| License | MIT | MIT |
| Written in | JavaScript | Go |
| Last push | 2026-09-14 | 2026-09-17 |
| Forks | ⑂ 7.6K | ⑂ 2.4K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ponytail if
- You weight community size — 141K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick DeepSeek-Reasonix if
- You want the DeepSeek-Reasonix feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and DeepSeek-Reasonix fits your workflow better
About ponytail
Ponytail is an open source agent skill for JavaScript and LLM based coding tools that makes an AI agent write the minimum working code for a task, and it is built for developers and teams running agents such as Claude Code, Codex, or Cursor against real repositories.
read the full ponytail overview →
About DeepSeek-Reasonix
DeepSeek Reasonix is an MIT licensed, DeepSeek native AI coding agent shipped as a single static Go binary whose one local engine can be driven from a terminal, a desktop app, a browser, or an editor over ACP — built for developers who want long autonomous coding runs they can still read and undo.
read the full DeepSeek-Reasonix overview →
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Frequently asked questions
Is ponytail or DeepSeek-Reasonix more popular?
ponytail has 141,230 GitHub stars and DeepSeek-Reasonix has 35,587. ponytail has the larger community by that measure.
Are ponytail and DeepSeek-Reasonix free?
Both are open source. ponytail is licensed under MIT and DeepSeek-Reasonix under MIT. Neither carries a licence fee.
What is the difference between ponytail and DeepSeek-Reasonix?
ponytail is written in JavaScript and DeepSeek-Reasonix in Go. 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 DeepSeek-Reasonix?
Choose ponytail if you want the larger community (141,230 stars) or its MIT licence terms. Choose DeepSeek-Reasonix if its feature set, stack or MIT licence fits better. Both are self-hostable.