The big headlines on this release are efficiency, with OpenAI reporting that GPT-5.4 uses far fewer tokens (47% fewer on some ...
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ChatGPT-5.4 is OpenAI’s fastest model yet — 7 prompts that show what it can really do
When OpenAI unveiled GPT-5.4, the company made it clear this wasn’t just another incremental upgrade. The new model combines the coding power of GPT-5.3-Codex with stronger reasoning, improved ...
A new Agent Mode comes to Office apps today, alongside an Office Agent in Copilot chat. is a senior editor and author of Notepad, who has been covering all things Microsoft, PC, and tech for over 20 ...
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