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Pi Agent alternatives

Pi Agent — Minimal terminal agent harness you can reshape to your workflow

Antigravity

Google's agent-first development platform that lets AI agents plan, build and verify software

FreemiumwindowsmaclinuxAI Code

Claude Code

Anthropic's agentic coding tool that plans, edits and tests code from your terminal

PaidwebwindowsmaclinuxiosAI Code

Codex

OpenAI's agentic coding tool that writes, tests and ships code for you

FreemiumwebwindowsmaciosAI Code