Google still isn’t done with its Gemini 3 rollout. After weeks of new features, it still has some cards up its sleeve, now announcing the launch of ‘Deep Think’.
This is a new thinking mode, coming to the Gemini app, exclusively for those on the Google AI Ultra plan. As the name suggests, it's a version designed for pushing Gemini harder on more complex tasks.
“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,” wrote Tulsee Doshi, Senior Director, Product Management at Gemini, in a blog post.
Exact details of what this model provides are fairly slim right now. Google claims that it is industry leading on complicated benchmarks, such as Humanity’s Last Exam and ARC-AGI 2. These are tests that examine a chatbot’s ability in logic and reasoning, seeing how well it can deal with challenges that can normally cause problems for chatbots.
Google claims that its ability to do so well on these types of tests is due to it using advanced parallel reasoning. That, essentially, means that it can explore multiple hypotheses simultaneously to generate the correct answer faster.
How to use Gemini 3 Deep Think
As mentioned above, Gemini 3 Deep Think is only available for AI Ultra subscribers. That is Google’s most expensive AI plan, but it unlocks access to everything Gemini has to offer.
If you are on the AI Ultra plan, simply select ‘Deep Think’ from the dropdown bar in the Gemini chatbox. With this selected, you can now prompt using the smarter model of Gemini 3.
What are Thinking models for?
This is a term doing the rounds a lot right now in AI. Thinking, or reasoning models, as they are also referred to, are simply versions of AI tools designed to take on more challenging tasks.
They are trained to mimic the way humans solve problems, breaking through complex tasks via logical processes of thought. By doing this, the model can give more time to a task, either generating a more thought-out response, or being able to work out a problem it wouldn’t normally understand.
AI models often come in different levels of this. Tools like ChatGPT, Gemini and Claude offer levels starting off with versions of their tools that are cheaper to run and faster, but aren’t able to deal with complicated tasks.
While for a lot of people, models like Gemini 3’s Deep Think will offer more power than needed, these are the versions you hear about in the news, breaking benchmarking tests and outperforming humans.
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