GPT-5 Codex
Agentic coding assistant for terminal, IDE, web, and mobile
Visit GPT-5 Codex →GPT-5 Codex is OpenAI's coding-focused model optimized for agentic tasks, enabling developers to write, edit, and debug code autonomously across multiple environments including terminal, IDE, browser, and mobile. It supports real-time collaboration and can independently tackle multi-step coding tasks without constant user input. It is designed for professional developers who need a reliable AI pair programmer that works wherever they code.
At a glance
Capabilities
Categories
Alternatives
- GitHub Copilot — AI code completion and chat assistant inside your editor
- Cursor — VS Code fork with deep AI coding and multi-file editing
- Claude — Anthropic's AI assistant for code, writing, and analysis
For AI agents: machine-readable markdown version of this page at
/tools/gpt-5-codex.md,
or send Accept: text/markdown.