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 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.

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

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

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

OpenAI has announced ChatGPT for Excel alongside new financial app integrations, positioning its latest model, GPT-5.4, at the centre of ...

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

OpenAI is enhancing spreadsheet functionality by introducing its AI assistant, ChatGPT, to Microsoft Excel and soon to Google ...

The latest model from OpenAI comes just days after the company launched GPT-5.3 Instant.

ChatGPT Business vs Microsoft 365 Copilot for UK accountancy practices using Xero and Making Tax Digital. Pricing, workflow ...