OpenAI brings Codex to ChatGPT
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GPT-5.5 tutorial for complete beginners
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.
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 ...
OpenAI has officially launched the Codex app for Windows, featuring a custom-built, open-source native agent sandbox for improved security. Last month, OpenAI released an official Codex app for macOS. The app introduced an easier way to manage multiple AI ...