Codex CLI Codex CLI
Codex CLI is an open-source, terminal-native coding agent powered by the codex-1 model that reads, edits, and manages codebases directly from your shell. It supports secure, sandboxed execution of long-running tasks, making it ideal for autonomous workflows like refactoring, bug fixes, and generating pull requests.
The v0.148.0 release introduced built-in Markdown export for chat sessions, formalised session forking, real-time cost transparency, and native Amazon Bedrock integration as a first-class provider.
As of
- Cloud-based microVM sandbox for secure, isolated code execution
- Full Model Context Protocol (MCP) support for extensible tool integration
- Three-mode approval system: suggest, auto-edit, and full-auto
- Native Git and shell command integration for automated PR workflows
- Interactive TUI with task dashboards and real-time cost tracking
Autonomous, long-running terminal tasks such as generating pull requests, complex refactoring, and batch testing in isolated sandbox environments.
Frontend and complex UI/design-heavy coding tasks, where other tools like Claude Code currently offer better polish and architectural reasoning.
Included at no extra cost with ChatGPT Plus, Pro, Business, Edu, and Enterprise subscriptions. For API usage or Codex-only seats in Business/Enterprise workspaces, it is billed via consumption-based, pay-as-you-go token rates.
Codex CLI is a highly efficient, production-grade terminal agent that excels at autonomous 'contractor-style' coding. Its integration into existing ChatGPT subscriptions and open-source nature makes it a top choice for developers who prioritize security, cost-efficiency, and deep terminal automation.
Is Codex CLI free?
Codex CLI is Freemium. Included at no extra cost with ChatGPT Plus, Pro, Business, Edu, and Enterprise subscriptions. For API usage or Codex-only seats in Business/Enterprise workspaces, it is billed via consumption-based, pay-as-you-go token rates. Check the official site for current plans.
What is Codex CLI best for?
Autonomous, long-running terminal tasks such as generating pull requests, complex refactoring, and batch testing in isolated sandbox environments.
Who makes Codex CLI?
Codex CLI is developed by OpenAI. It is listed in the Terminal & CLI Agents category on ai.dosa.dev.
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