head to head · open source
pi vs prettier
pi has 114,302 GitHub stars, 14,553 forks, 202 open issues and last shipped yesterday. prettier has 52,448 stars, 5,036 forks, 1,462 open issues and last shipped 2 days ago. pi leads on adoption by 118% (114,302 vs 52,448 stars). pi is written in TypeScript under MIT; prettier is written in JavaScript under MIT. pi has attracted 13% as many forks as stars, prettier 10%. 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.
← all 20902 open source comparisons
Side by side
| pi | prettier | |
|---|---|---|
| GitHub stars | ★ 114K | ★ 52K |
| License | MIT | MIT |
| Written in | TypeScript | JavaScript |
| Last push | 2026-10-11 | 2026-10-10 |
| Forks | ⑂ 15K | ⑂ 5.0K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick pi if
- You weight community size — 114K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick prettier if
- You want the prettier feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and prettier 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 prettier
Prettier is an opinionated code formatter for JavaScript, TypeScript, and web language developers who want one consistent style enforced automatically across a codebase.
read the full prettier overview →
More in Developer Tools
Related comparisons
More AI Assisted Coding projects
Compare either of these against the rest of the AI Assisted Coding field.
Frequently asked questions
Is pi or prettier more popular?
pi has 114,302 GitHub stars and prettier has 52,448. pi has the larger community by that measure.
Are pi and prettier free?
Both are open source. pi is licensed under MIT and prettier under MIT. Neither carries a licence fee.
What is the difference between pi and prettier?
pi is written in TypeScript and prettier in JavaScript. 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 prettier?
Choose pi if you want the larger community (114,302 stars) or its MIT licence terms. Choose prettier if its feature set, stack or MIT licence fits better. Both are self-hostable.