OpenAI releases new ChatGPT model for working in Excel and Google Sheets - Axios

Corroborated by 2 sources from 2 publishers

globaltech1d ago

TL;DR

Reports differ across sources; according to github.com, free OpenAI API access with your ChatGPT account.

Axios

https://www.axios.com/2026/03/05/openai-gpt-54-chatgpt-office

Hacker News

https://github.com/EvanZhouDev/openai-oauth

Hacker News (Front Page)

https://github.com/EvanZhouDev/openai-oauth