Our most specialized reasoning mode is now updated to solve modern science, research and engineering challenges.

Gemini 3 Deep Think has a major upgrade to help solve science, research and engineering challenges. Google AI Ultra subscribers can now access the updated Deep Think in the Gemini app. Researchers, engineers and enterprises can express interest in early access to test Deep Think via the Gemini API.

Today, we’re releasing a major upgrade to Gemini 3 Deep Think, our specialized reasoning mode, built to push the frontier of intelligence and solve modern challenges across science, research, and engineering.

We updated Gemini 3 Deep Think in close partnership with scientists and researchers to tackle tough research challenges — where problems often lack clear guardrails or a single correct solution and data is often messy or incomplete. By blending deep scientific knowledge with everyday engineering utility, Deep Think moves beyond abstract theory to drive practical applications.

The new Deep Think is now available in the Gemini app for Google AI Ultra subscribers and, for the first time, we’re also making Deep Think available via the Gemini API to select researchers, engineers and enterprises. Express interest in early access here.

Here is how our early testers are already using the latest Deep Think:

Lisa Carbone, a mathematician at Rutgers University, works on the mathematical structures required by the high-energy physics community to bridge the gap between Einstein’s theory of gravity and quantum mechanics. In a field with very little existing training data, she used Deep Think to review a highly technical mathematics paper.

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