Pi

Minimal, extensible open-source coding agent harness for the terminal; customize it with extensions, skills, prompt templates and themes, and switch between 15+ model providers.

Use case

AI coding agents

Pricing tier

Free

Pricing note

Open source (MIT); you connect your own model subscription or API key.

Skill level*

Intermediate

License

MIT

Added

2026-10-16

Sources checked

• pi.dev
• github.com/earendil-works/pi
• github.com/earendil-works/pi/releases/tag/v1.3.0

* Skill level and vibe badges are our own editorial labels. Pricing and plans change often; always confirm on the official site. Last checked 2026-10-16.