Claude Code and Codex CLI are coding agents with local terminal workflows. Claude Code also has Anthropic-managed IDE and web surfaces, while Codex CLI is the open-source local command-line client in the Codex family.
Claude Code is Anthropic's coding agent for working directly with a codebase from the terminal, supported IDEs, the web, GitHub, Slack, and other product surfaces.
Codex CLI is OpenAI's open-source coding agent that runs locally in a terminal. It can inspect a repository, edit files, and run commands under configurable approval controls.
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Terminal, supported IDEs, web, GitHub, Slack, and other Claude surfaces
Local command line
macOS, Linux, and Windows
macOS, Linux, and Windows
Anthropic product installers and integrations
Apache-2.0 source repository and installers
Included with supported Claude plans and other Anthropic access paths
Can sign in through ChatGPT or use an API key
Knowledge graph