# How free-pi stacks up

Canonical: https://freepi.ai/vs

Side-by-side comparisons with other AI coding tools: price, ads, data, models and where each one runs. Every fact is checked against official sources.

- [free-pi vs Freebuff](https://freepi.ai/vs/freebuff.md): Both are free coding agents. free-pi starts with one npx command, keeps ad text out of the model, and ships 200+ reverse-engineering tools.
- [free-pi vs OpenCode](https://freepi.ai/vs/opencode.md): free-pi gives you a free AI coding agent in one command: no card, no API key, and an allowance that refills every day.
- [free-pi vs Claude Code](https://freepi.ai/vs/claude-code.md): Want an AI coding agent in your terminal for $0? free-pi starts with one command, no card, no API key. Claude Code starts at $17 a month.
- [free-pi vs Gemini CLI](https://freepi.ai/vs/gemini-cli.md): Gemini CLI's free sign-in ended June 18, 2026. free-pi is still free: no card, no API key, one command, coding in seconds.