OpenAI unveiled GPT-5.4, billed as its “most powerful professional work model,” featuring native computer control to autonomously navigate browsers, run code, and operate desktop apps. It also announced deep ChatGPT integration with Microsoft Excel and Google Sheets, plus a financial analyst toolkit for automated modeling, visualization, and reporting. GPT-5.4 expands context to 1M tokens, speeds inference by 40%, and cuts hallucinations by 30%.
Keywords:OpenAI, GPT-5.4, computer control, Excel integration, professional AI model
