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).

Excel automations cover auto-updating charts, deadline flags, and smart links; Ctrl+T table charts expand as new rows appear.

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 ...

OpenAI unveiled GPT-5.4, its newest reasoning model, alongside a ChatGPT-powered add-in for Microsoft Excel. The tool lets ...

OpenAI has released GPT-5.4, an AI model that it says is its most advanced and thoughtful AI yet. In a press release, OpenAI ...

MarketXLS is an early investment research platform to support MCP for Excel-based financial workflows, helping professionals generate complete Excel analysis workbooks faster than ever.

Is an AI subscription worth it? How to choose your premium chatbot plan - and what not to do ...

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

I have been called the LeBron James of spreadsheets, but I try not to take myself too seriously Growing up in Waterford, south-east Ireland, I was always good at maths. I first used Excel at ...

PowerShell can do far more than most users realize. Explore 10 hidden capabilities that save time, improve reporting, and supercharge your workflow.

Upgrade your spreadsheets with BYCOL to consolidate column logic, prevent manual errors, and build automated reporting dashboards.

OpenAI's GPT-5.4 debuts with financial tools, FactSet integration, Excel support, and investment analysis features for ChatGPT Plus, Team, and Pro users.