AI fans, get ready to think bigger. Google just supercharged its Gemini app with Gemini 3 Deep Think, the smartest reasoning mode yet. This powerhouse tackles mind-bending math, science puzzles, and logic riddles like never before. Google AI Ultra subscribers now unlock parallel thinking that explores multiple ideas at once, leaving rivals like OpenAI in the dust amid reports of their “code red” scramble.
The rollout cements Google’s lead in the AI arms race. CEO Sundar Pichai hyped it on X: “Gemini 3 Deep Think mode brings our strongest reasoning capabilities yet, now rolling out to @GeminiApp Ultra subscribers. Cool example of how it can simulate complex 3D architecture.” With Gemini 3 smashing benchmarks and drawing 650 million monthly users, OpenAI reportedly lost 6% of its base in a week, rushing a “Garlic” model to catch up.
Unlock Gemini 3 Deep Think: Step-by-Step Access for Ultra Users

Gemini 3 Deep Think builds on multimodal smarts, but amps up with advanced parallel reasoning, a big leap from Gemini 2.5. It crushes tests like Humanity’s Last Exam (41% score without tools) and ARC-AGI-2 (45.1% with code execution). Perfect for devs coding vibes or students decoding quantum quirks, it delivers human-like insights faster.
Ultra subscribers (Rs 24,500/month or $250) access it instantly. Here’s how:
- Open the Gemini app on your device
- Tap the prompt bar and select “Deep Think”
- Choose “Thinking” from the model dropdown (pick Gemini 3 Pro)
- Type your query – like “Simulate a sustainable skyscraper in 3D” – and hit submit
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The mode shines in real-world wins: gold-medal math olympiads, programming contests, and even 3D architecture sims. Google also tests merging AI Overviews with AI Mode for seamless follow-ups in Search, as VP Robby Stein shared on X: a “new way to seamlessly go deeper.”
This debut marks Google’s boldest integration yet. Gemini 3 hit Search products day one. As AI evolves, Gemini 3 Deep Think proves Google doesn’t just chase; it redefines smart thinking for everyone from coders to creators.
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