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 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 ...

From OpenAI’s expanding dominance to sweeping security incidents and corporate realignments, this week underscored how AI ...

ChatGPT is now using its 5.4 Thinking model for deeper reasoning, and it's even better at handling "professional work." ...

OpenAI released GPT-5.4 in ChatGPT (as GPT-5.4 Thinking), the API, and Codex, calling it its most capable and efficient ...

OpenAI has launched GPT-5.4, a highly efficient AI model designed for professional tasks, boasting significant accuracy improvements and a new tool search feature.

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

The ChatGPT Thinking version features a new interaction style, where the model first displays an upfront plan of its reasoning process.

OpenAI rolls out GPT‑5.4 Thinking with advanced reasoning and coding; FoneArena – Best Products of MWC 2026; LG Sound Suite home audio system with Dolby Atmos Fl ...

A benchmark called OSWorld-Verified, designed to monitor AI's ability to navigate desktop environments, found that GPT 5.4 ...