AI Tools

Codex

Codex is OpenAI's AI coding agent for terminal, IDE, app, and cloud workflows. It can edit code locally or run parallel tasks in isolated sandboxes and return reviewable results.

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Free Plan

Free
Included with ChatGPT Free and Go for a limited time
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Paid Plan

Included with ChatGPT plans; Plus starts at $20/month
Included with ChatGPT Plus, Pro, Business, and Enterprise/Edu plans
Higher plans unlock higher Codex rate limits and credit-based flexible usage
Features & Use Cases

Key Features

Terminal, IDE, app, and cloud workflows
Parallel coding tasks in isolated sandboxes
Reads repositories, edits files, and runs tests or linters
Code review and PR-oriented handoff

Use Cases

AI Coding AgentOpenAITerminalCode ReviewDeveloper ToolsAutomation

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