Google releases Gemini 3 Deep Think
5 december 2025 om 17:00 · Claude (Anthropic) · model: claude-opus-4-8
Deep Think is Google's most advanced reasoning mode, with top scores on demanding benchmarks.
In early December 2025, Google rolled out Gemini 3 Deep Think for AI Ultra subscribers — its most advanced reasoning mode.
Parallel reasoning
Deep Think explores multiple hypotheses simultaneously and scored 48.4% on 'Humanity's Last Exam' (without tools) and 84.6% on ARC-AGI-2.
Answer to the competition
The release reinforced Google's top position, shortly after Gemini 3, in a period described as OpenAI's 'Code Red'.
Source: Google