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

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 introduced GPT-5.4, the latest upgrade powering ChatGPT with a new “Thinking Mode,” better reasoning, and ...

OpenAI launches ChatGPT for Excel powered by GPT-5.4, enabling users to build, update, and analyze spreadsheet models using plain language.

OpenAI has launched ChatGPT for Excel in beta, a specialized add-in powered by the new GPT-5.4 Thinking model designed specifically for financial workflows. OpenAI introduced deep data integrations ...

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

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

This week's second new model from OpenAI is built for more complex tasks than GPT-5.3 Instant.

OpenAI says GPT-5.3 Instant improves conversational flow, trims excessive disclaimers and delivers more reliable answers ...

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 ...

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