Codex

About

Codex is OpenAI's AI coding agent, available in a cloud sandbox, terminal CLI, IDE extension, and desktop app. It can write features, answer questions about your codebase, fix bugs, and propose pull requests for review—each task runs in its own cloud sandbox preloaded with your repository. Powered by GPT-5.1-Codex-Max and Codex-Spark models, it supports cloud task delegation, GitHub code review, and Slack integration. Now can operate your computer alongside you, generate images (gpt-image-1.5), remember preferences, learn from previous actions, and connect to remote devboxes via SSH. Included with ChatGPT Free, Go, Plus, Pro, Business, and Enterprise plans, with overage priced by API token usage. Supports Remote Control (GA) to start or continue work on Mac/Windows hosts from mobile, and DigitalOcean Droplet Workspace plugin for auto-provisioning cloud dev environments.

Key Features

• ✓Cloud sandbox: each task runs isolated, preloaded with your repo
• ✓Multi-surface: App, CLI, IDE extension (VS Code, Cursor, etc.), cloud, mobile
• ✓Auto-write features, fix bugs, propose PRs
• ✓GitHub code review integration with PR-page commenting and activity timeline
• ✓Slack integration for team task delegation
• ✓Powered by GPT-5.1-Codex-Max and Codex-Spark (research preview for Pro users)
• ✓Computer use: operate your computer on macOS
• ✓Image generation: create and iterate images with gpt-image-1.5
• ✓Remote Control (GA): start or continue work on Mac/Windows from mobile
• ✓DigitalOcean Droplet Workspace plugin: auto-provision cloud dev environments
• ✓SSH remote devbox connection
• ✓90+ plugins: Atlassian Rovo, CircleCI, CodeRabbit, GitLab, Microsoft Suite, Neon by Databricks, Remotion, Render, Superpowers, and more
• ✓MCP support: connect to external systems
• ✓To-do list tracking, web search, image attachment support
• ✓Project memory: remembers preferences and previous actions
• ✓Multiple file & terminal views, in-app browser
• ✓Mermaid diagram rendering, interactive forms support
• ✓Session resume (codex resume) and automatic context compaction
• ✓Activity insights and share cards (consumer plans)
• ✓Cross-device sync: cloud Work conversations sync across web, mobile, and desktop
• ✓Open completed tasks directly from iOS notifications
• ✓Vim mode with text-object editing
• ✓Configurable TUI keymaps and permission profiles