Meet Codex

Codex is OpenAI's coding agent. Like Claude Code it runs in your terminal, reads your repo, edits files, and runs commands — but its defaults lean more aggressive: it acts first and asks less. Knowing that posture is the difference between flowing with it and getting bitten by it.

For mobile we'll use Codex specifically — the OpenAI models are exceptional at React Native and Swift/Kotlin, and Codex's tighter coupling with the OpenAI API means the latency feels great when you're iterating on a UI.