Last Updated on December 14, 2025 by Larious
Google released the first AI model in the Gemini 3 series last month, and it quickly became a massive hit. Even free users can try Gemini 3 Pro and Nano Banana Pro, though the access comes with daily limits.
Now it looks like Google just launched a more powerful Gemini 3 Deep Think model. Gemini 3 Deep Think is rolling out to Google AI Ultra subscribers and acts as the successor to Gemini 2.5 Deep Think.
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How is Gemini 3 Deep Think better than Gemini 2.5 Deep Think?
According to Google, “This new mode delivers a meaningful improvement in reasoning capabilities, designed to tackle complex math, science and logic problems that challenge even the most advanced state-of-the-art models”
Gemini 3 Deep Think “uses advanced parallel reasoning to explore multiple hypotheses simultaneously.”
How to Use the Gemini 3 Deep Think Model?
If you are using the basic Google Gemini AI plan or the Pro plan, you won’t be able to use the latest Deep Think Model.
Gemini 3 Deep Think Model is exclusively available to all Google Ultra subscribers. So, if you have Ultra Plan, you can enable and use this new model by following these steps.


- Open the Google Gemini app on your device or visit the website.
- In the prompt field, select the ‘Deep Think’ option from the toolbar.
- Select ‘Gemini 3 Pro’ from the model selector.
- Now type the text prompt and press Enter.
Gemini 3 Deep Think offers significant upgrades in computational reasoning, especially for complex mathematical and scientific challenges. The model sets a new standard for AI-driver reasoning.
So, what’s your take on the new Gemini 3 Deep Think? Let us know in the comments.