# Codex 3.0

> Codex can now build, test & debug on autopilot

Codex 3.0, powered by GPT-5.5, evolves into a cross-app coding agent that automates the entire development cycle, from building to testing and debugging. It interacts with web applications like a real user, enabling faster development cycles and higher-quality outputs.

- Website: https://chatgpt.com/codex?ref=producthunt
- Categories: Code Assistants
- Verified: no
- Canonical: https://toolhaus.ai/product/codex-3-0