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).

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

OpenAI is bringing ChatGPT directly into spreadsheets. The new Excel add-in lets users analyse data, build models and run scenarios using simple prompts, with Google Sheets support expected soon.

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

OpenAI integrates Excel support and live financial data into ChatGPT, creating a powerful spreadsheet co-pilot for traders, analysts, and crypto investors.

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

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 ...

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

In today's Tech Bytes, OpenAI is rolling out a new model to power its chatbot. GPT 5.4 features advancements in reasoning and ...

Dark Mode has its drawbacks. For example, the worksheet grid usually remains white. You can choose Black under Office Theme, which activates a Dark Mode toggle in the View tab of your Excel ribbon.

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

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