8 hours ago - The best way to build with agents. Codex accelerates real engineering work, from planning and building features to refactors, reviews, and releases—working seamlessly across your tools.

During task execution, internet ... APIs, or other services. Technical teams at OpenAI have started using Codex as part of their daily toolkit....

6 days ago - Automate development tasks: Codex can run repetitive workflows such as refactoring, testing, migrations, and setup tasks so you can focus on higher-level engineering work.

2 days ago - ChatGPT file uploads, image and ... separate usage limits, reset periods, and banners. For example, if you see banners like “50 images in the last day”, “resets in 720 hours”, reach voice caps, or see upload-limit banners while uploading files in ChatGPT, those limits do not apply to Codex. For details on image and video limits and voice limits, see ... File Uploads FAQ. For information on the status of various ChatGPT services, including file uploads, refer to the · OpenAI status ...

ChatGPT is your AI chatbot for everyday use. Chat with the most advanced AI to explore ideas, solve problems, and learn faster.

November 21, 2025 - Learn how to use Codex, including OpenAI Codex usage tips, limits, Codex CLI onboarding, Cursor integration, API usage, and code-generation workflows.

Codex is OpenAI’s coding agent that can read, edit, and run code. It helps you build faster, fix bugs, and understand unfamiliar code.

16 hours ago - Under this model, actual credit usage depends on the mix of input, cached input, and output tokens in each task. The table below displays credits per 1M tokens for each token type. ... Fast mode consumes 2x as many credits. Code review uses ...

4 hours ago - Codex CLI is OpenAI’s coding agent that you can run locally from your terminal. It can read, change, and run code on your machine in the selected directory.

How OpenAI · uses Codex

6 hours ago - All users may also run extra local tasks using an API key, with usage charged at standard API rates. Image generation counts toward the same general Codex usage limits as local messages and cloud tasks. Image generations use included limits 3-5x faster on average than similar turns without image generation, depending on image quality and size.

20 hours ago - If you want Codex in your code editor (VS Code, Cursor, Windsurf), install in your IDE. If you want the desktop app experience, run codex app or visit the Codex App page. If you are looking for the cloud-based agent from OpenAI, Codex Web, go to chatgpt.com/codex.

2 hours ago - From routine pull requests to your hardest problems, Codex reliably completes tasks end to end, like building features, complex refactors, migrations, and more, powered by OpenAI’s frontier coding models.

May 17, 2025 - Learn what OpenAI's Codex is and how to use it inside ChatGPT to perform coding tasks on a GitHub repository.

20 hours ago - Our work to create safe and beneficial AI requires a deep understanding of the potential risks and benefits, as well as careful consideration of the impact · We research generative models and how to align them with human values

8 hours ago - ChatGPT Plus, Pro, Business, Edu, and Enterprise plans include Codex.

2 hours ago - Use the terminal to validate changes, run scripts, and perform Git operations without leaving the app. Codex can also read the current terminal output, so it can check the status of a running development server or refer back to a failed build ...

2 hours ago - With computer use, Codex can see and take action only in the apps you allow. During a task, Codex asks for your permission before it can use an app on your computer. You can choose Always allow so Codex can use that app in the future without ...

February 3, 2026 - Once you downloaded and installed the Codex app, open it and sign in with your ChatGPT account or an OpenAI API key.