Codex | AI Coding Partner from OpenAI From routine pull requests to your hardest problems, Codex reliably completes tasks end to end, like building features, complex refactors, migrations, and more, powered by OpenAI’s frontier coding models The Codex app is a command center for agentic coding
Codex 3. 0 by OpenAI - Product Hunt With GPT-5 5, Codex evolves into a true cross-app coding agent—navigating browsers, interacting with web apps, generating docs in Microsoft Office and Google Drive, and testing workflows like a real user It sees, clicks, debugs, and iterates autonomously, bringing developers closer to reliable, end-to-end automated builds