
Important for: Developers, data analysts
OpenAI released a new model GPT-5.4 with stronger reasoning.
GPT-5.4 is now available for professional use5.
It is more capable at logic and math, and can handle up to 1 million tokens. OpenAI also added an Excel add-in today that lets GPT analyze spreadsheets.
This means users can do complex data tasks with AI in Excel.
How to use:
Try the new GPT-5.4 model in ChatGPT (Pro) or install the ChatGPT add-in for Excel.

Explore the guide: