head to head · open source
pi vs Pullfrog
pi has 106,586 GitHub stars, 13,437 forks, 202 open issues and last shipped yesterday. Pullfrog has 1,195 stars, 75 forks, 11 open issues and last shipped yesterday. pi leads on adoption by 8,819% (106,586 vs 1,195 stars). pi is written in TypeScript under MIT; Pullfrog is written in TypeScript under MIT. pi has attracted 13% as many forks as stars, Pullfrog 6%. pi 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
| pi | Pullfrog | |
|---|---|---|
| GitHub stars | ★ 107K | ★ 1.2K |
| License | MIT | MIT |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 13K | ⑂ 75 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick pi if
- You weight community size — 107K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick Pullfrog if
- You want the Pullfrog feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and Pullfrog fits your workflow better
About pi
Pi is a modular agent toolkit written in TypeScript for building and running terminal based AI coding agents. It lives in the developer tooling ecosystem and provides composable packages for LLM integration, agent orchestration, and terminal UI rendering. The project centers on @earendil works/pi coding agent , an interactive CLI agent, supported by core runtime, AI abstraction, and TUI libraries.
About Pullfrog
Pullfrog is an open source, model agnostic BYOK GitHub bot that runs AI agent workflows natively inside GitHub Actions, and it is built for developers and teams who want automated PR review, CI autofix, and issue triage without handing their repository, keys, or cost model to a hosted vendor.
read the full Pullfrog overview →
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Frequently asked questions
Is pi or Pullfrog more popular?
pi has 106,586 GitHub stars and Pullfrog has 1,195. pi has the larger community by that measure.
Are pi and Pullfrog free?
Both are open source. pi is licensed under MIT and Pullfrog under MIT. Neither carries a licence fee.
What is the difference between pi and Pullfrog?
pi is written in TypeScript and Pullfrog 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, pi or Pullfrog?
Choose pi if you want the larger community (106,586 stars) or its MIT licence terms. Choose Pullfrog if its feature set, stack or MIT licence fits better. Both are self-hostable.