Gemini 3 Deep Think
Gemini 3 Deep Think reaches Google AI Ultra subscribers with 41.0% on Humanity's Last Exam and 45.1% on ARC-AGI-2 (with code execution, ARC Prize verified).
Parallel reasoning mode on Gemini 3 Pro, building on the Gemini 2.5 Deep Think variants behind the IMO and ICPC golds. Upgraded in February 2026 (ARC-AGI-2 84.6%, built on 3.1 Pro).
- Date
- Thursday, 4 December 2025
- Lab
- Kind
- model
- Access
- app only
Figures
| Measure | Value | Measured by |
|---|---|---|
| ARC-AGI-2 | 45.1% with code execution; ARC Prize verified at launch | ARC Prize |
| Humanity's Last Exam (no tools) | 41.0% company-reported | company |
Announced in the Gemini 3 launch on 2025-11-18 as coming; rolled out 2025-12-04. 2026-02 upgrade figures are on the DeepMind model page.
Sources
- blog.google/products/gemini/gemini-3-deep-think/
- deepmind.google/blog/a-new-era-of-intelligence-with-gemini-3/
- deepmind.google/models/gemini/deep-think/
This record was checked against its sources on 6 October 2026. How we check