If you’re wondering whether we used a secret model, we used an early version of the GPT‑5.1‑Codex model – the same version that any developer or business can use today via CLI, IDE extension, or web app. Prompt: figure skater performs a triple axle with a cat on her head · When Sora launched on iOS, usage exploded. People immediately began generating a stream of videos. On Android, by contrast, we had only a small internal prototype and a mounting number of pre-registered users on Google Play.

1 week ago - Use Codex across multiple surfaces, all connected by your ChatGPT account.

I've been runing Codex in the Termux terminal environment on my Android device since the first anouncement a few weeks ago. I'm using it a lot and find it to be a powerful and enjoyable tool. I've build myself a terminal-based OpenAI Assitant tool that I use as a 'general perpose' assistant, ...

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

5 days ago - Use Codex across multiple surfaces, all connected by your ChatGPT account.

March 1, 2026 - This classic version had legacy audio APIs, defunct Flurry analytics, and a bunch of cruft built up from its years of progressing from the original iPhone to larger devices, iPad and Mac, and I wanted to see how Codex would handle migrating it to Swift and modern APIs compared to my own. It performed the migration in one shot. Not a line of ObjC remained, and the app built and ran first time. The audio worked, the gameplay worked, and the custom animated settings screen was intact. So far, so boring. What I really wanted to have it try was to port this classic SameGame app to Android, a task that ChatGPT's agent feature had failed at a year ago.

Give Codex a durable view of your work so it can notice what changed. ... Synthesize feedback from multiple sources into a reviewable artifact. ... Turn Figma selections into polished UI with structured design context and visual checks. ... Trace request flows, map unfamiliar modules, and find the right files fast. ... Upgrade your app to the latest OpenAI API models.

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.

2 weeks 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.

1 week 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.

February 2, 2026 - Officially, there is no support for the OpenAI Codex app within the Android ChatGPT app.

5 hours ago - Built-in image generation uses gpt-image-2, counts toward your general Codex usage limits, and uses included limits 3-5x faster on average than similar turns without image generation, depending on image quality and size. For details, see Pricing. For prompting tips and model details, see the image generation guide. For larger batches of image generation, set OPENAI_API_KEY in your environment variables and ask Codex to generate images through the API so API pricing applies instead.

Decide whether Codex can reach the public internet from cloud environments, and when to enable it.

June 8, 2025 - Boosting Android Development with OpenAI Codex: First Impressions OpenAI recently introduced a software engineering AI agent that can handle multiple development tasks in parallel, making it a …

5 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 ...

Starting today, we’re rolling ... cost for the coming weeks so you can explore what Codex can do, after which we’ll roll out rate-limited access and flexible pricing options that let you purchase additional usage on-demand....