The big headlines on this release are efficiency, with OpenAI reporting that GPT-5.4 uses far fewer tokens (47% fewer on some tasks) than its predecessors).

OpenAI has rolled out the Codex desktop app for Windows. The tool debuted on macOS last month and will now enable developers ...

OpenAI has launched the Codex app for Windows, a desktop tool that lets developers run multiple AI coding agents, automate tasks and manage software projects directly from their PC ...

In a post on X (formerly known as Twitter), the AI giant announced that the Codex app is now available on Windows, adding, “Get the full Codex app experience on Windows with a native agent sandbox and ...

OpenAI has launched the Codex app for Windows, bringing its AI-powered coding assistant to developers with native sandboxing, multi-agent workflows.

While OpenAI is bringing GPT-5.4 to its API and its AI-powered coding tool, Codex, it’s rolling out its reasoning model, GPT-5.4 Thinking, to ChatGPT. OpenAI says GPT-5.4 can wr ...

OpenAI releases GPT-5.4, combining reasoning, coding, and computer control in one model, surpassing competitors.

OpenAI launches GPT 5.4 with better reasoning, coding and professional task support. All you need to know about GPT 5.4.

The company bills API users based on the number of tokens that its LLMs process while generating a prompt response. A token is a unit of data that comprises a few letters or characters. OpenAI says ...

OpenAI's new GPT-5.4 clobbers humans on pro-level work in tests - by 83% ...

GPT-5.4 is another model update focused on usefulness for agentic tasks, particularly knowledge work. OpenAI says this is its first model explicitly aimed at computer-use tasks; like competing models, ...