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

Insiders reveal how OpenAI’s rapidly growing coding agent works, why developers are delegating tasks to it, and what it means ...

The latest model comes with native computer use capabilities, allowing it to take on jobs across your device and applications ...

OpenAI has introduced GPT-5.4, the latest upgrade powering ChatGPT with a new “Thinking Mode,” better reasoning, and integrations with Microsoft Excel and Google Sheets. The update aims to improve ...

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

In keeping with its recently accelerated release cadence, OpenAI has shipped GPT-5.4 (including GPT-5.4 Thinking and GPT-5.4 Pro). This update comes at a critical time, as recent events have led some ...

OpenAI has introduced GPT-5.4, a new AI model designed to handle complex professional work such as spreadsheets, documents ...

Error logs and GitHub pull requests hint at GPT-5.4 quietly rolling out in Codex, signaling faster iteration cycles and continuous AI model deployment.

OpenAI GPT-5.4 is rumored after a Codex demo leak; GPT-5.3 is already in Codex, raising release timing questions.