Discover GitHub Spec Kit, the open-source toolkit for spec-driven development, bringing clarity and collaboration to software projects.

From cloud hand-offs to GitHub reviews, GPT-5-Codex is optimized for agentic coding and designed to supercharge developer workflows.

GPT-5-Codex now extends this unified setup with deeper engineering capabilities — even running "independently for more than 7 ...

OpenAI's AI coding agent, Codex, can now spend anywhere from a few seconds to several hours on a task, thanks to a new, ...

Codex, a new AI model powering its Codex coding assistant with dynamic thinking for complex, agentic software engineering tasks.