Codex

Overview of Codex

Codex is OpenAI's advanced AI coding assistant that serves as your engineering partner across every development environment. Available through ChatGPT Plus, Pro, Business, Edu, and Enterprise plans, Codex helps development teams accelerate their workflow by handling coding tasks in parallel while maintaining security and context awareness. This powerful tool integrates seamlessly with your existing development stack, allowing you to delegate complex coding tasks while staying focused on high-level architecture and strategic decisions.

Trusted by engineering teams worldwide, Codex functions as a versatile coding companion that adapts to your preferred workflow – whether you're working locally in your terminal, collaborating in real-time, or managing tasks asynchronously. The platform supports development across multiple environments including IDE extensions, AI Agents & Assistants, and cloud-based execution, making it an essential tool for modern software development teams looking to optimize their productivity and code quality.

How to Use Codex

Getting started with Codex is straightforward – simply access it through your existing ChatGPT account if you have a Plus, Pro, Business, Edu, or Enterprise subscription. You can begin by installing the Codex CLI for terminal access, adding the IDE extension to VSCode, Cursor, or Windsurf, or using the web interface for cloud-based tasks. Once configured, Codex automatically loads your repository context and environment settings, allowing you to delegate tasks ranging from feature development and bug fixes to code reviews and test execution while maintaining full visibility and control over all changes.

Core Features of Codex

1. Multi-Environment Support – Work seamlessly across CLI, IDE extensions, cloud sandbox, and mobile platforms
2. Automated Code Review – Integrates with GitHub to automatically review PRs and provide detailed feedback
3. Team Collaboration Tools – Assign tasks directly from Slack and manage team workflows efficiently
4. Cloud Sandbox Execution – Runs tasks in isolated environments with your complete repository context
5. Mobile Development Support – Initiate and track coding tasks from the ChatGPT mobile app

Use Cases for Codex

• Accelerating feature development and reducing time-to-market for new products
• Automating code review processes and maintaining consistent code quality standards
• Handling routine bug fixes and maintenance tasks across large codebases
• Supporting remote and distributed engineering teams with async collaboration
• Enabling mobile development workflows for on-the-go coding tasks
• Integrating AI-powered coding assistance into existing CI/CD pipelines
• Providing coding support and guidance for educational and training purposes

Support and Contact

For technical support, contact contact@openai.com or visit the OpenAI support portal. Comprehensive documentation and developer resources provide guidance for implementing and troubleshooting Codex across various environments.

Company Info

Codex is developed by OpenAI, a leading AI research company based in the United States. Learn more at OpenAI About.

Login and Signup

Access Codex through your ChatGPT account at ChatGPT Login. Sign up for plans via the OpenAI website.