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Gemini 2.5 Deep Think

Google · 2025-08-01

Gemini 2.5 Deep Think is Google's enhanced reasoning model in the Gemini 2.5 family, released to Google AI Ultra subscribers in the Gemini app on August 1, 2025 as a Deep Think toggle under 2.5 Pro. It combines parallel thinking with additional reinforcement learning to test multiple hypotheses at once, and the app release was a faster variation of the full competition model that reached gold-medal standard at the 2025 International Mathematical Olympiad. At launch it had no separate public API identifier; Google said API access with and without tools was planned for trusted testers.

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