What Happened
Google rolled out Gemini 3 Deep Think mode in the Gemini app for Ultra subscribers, positioning the mode as a meaningful step up for difficult reasoning tasks.
Why It Matters
“Deep Think” modes are a visible product manifestation of test-time compute: users can opt into slower, more thorough reasoning for hard problems, which is a major trend across frontier assistants.
Technical Details
- Product surface: Gemini app
- Positioning: Advanced reasoning mode for complex math/science/logic tasks