Try Deep Think in the Gemini app
Google just gave 300M+ Gemini users access to Deep Think reasoning—the same model competing in the International Math Olympiad.

Why it matters
Google is democratizing extended reasoning capabilities through its consumer app, positioning Gemini 2.5 Deep Think as a flagship differentiator against OpenAI's o1 while simultaneously testing real-world math problem-solving at scale via the IMO competition.
The key facts
4 to knowDeep Think rolling out to Google AI Ultra subscribers in Gemini app
Gemini 2.5 Deep Think model entered into IMO (International Math Olympiad) competition
Select mathematicians granted access to full version of reasoning model
Feature availability: app-based deployment, not model release announcement
Go to the source
Google DeepMind Blogdeepmind.google
Publisher excerpt: We're rolling out Deep Think in the Gemini app for Google AI Ultra subscribers, and we're giving select mathematicians access to the full version of the Gemini 2.5 Deep Think model entered into the IMO competition.