In this video, learn how to enable GPT 5.5 thinking mode in ChatGPT and discover its benefits for real-world tasks through Codex. The content covers the following topics: - How to download and install the OpenAI Codex app - Best reasoning settings for GPT 5.

What if you could turn coding into a conversation—where your ideas flow seamlessly into functional, error-free code? For many developers, the process of writing, debugging, and managing code can feel like navigating a maze of complexity. Enter OpenAI ...

OpenAI launches a Mac-only Codex app as an agent command center. Sandbox controls limit folder writes and network access for safer use. Switching between IDE, terminal, and app keeps context across tools. Also: I got 4 years of product development done in ...

Over the past few months, OpenAI’s Codex has grown quickly, reaching more than 4 million weekly users. To help developers access Codex on the go, OpenAI today announced that it is bringing Codex to the ChatGPT mobile app, allowing them to monitor and ...