OpenAI o1 and o1 pro mode in ChatGPT — 12 Days of OpenAI: Day 1
Why the open web links it
Linked by 42 independent sites, 7 of them widely read in the 2026-10 crawl of the open web, including openai.com, uol.com.br, datacamp.com, businesstoday.in, simonwillison.net.