Google Releases Gemini 3 Deep Think Update

Google is rolling out a major update to Gemini 3 Deep Think, a reasoning-focused mode now available to Google AI Ultra subscribers and select researchers via early API access. The model posts standout benchmarks — 48.4% on Humanity’s Last Exam, 84.6% on ARC-AGI-2, 3455 Codeforces Elo, and gold-level scores on the 2025 International Math Olympiad — and targets complex scientific and engineering tasks.