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

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

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

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

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

OpenAI’s GPT-5.4 is here. It’s designed to be thoughtful and easier to steer in the right direction.

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

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.

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." ...

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

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