Project AURIONAI Use-Cases Research & Innovation
Google DeepMind
reasoning

Gemini 3 Deep Think

Enhanced reasoning mode of Gemini 3 for hard problems in science, research and engineering.

Evaluation charts for Gemini 3 Deep Think on ARC-AGI-2, Humanity's Last Exam, MMMU-Pro and Codeforces, from the Google blog.
Levelmodel
Classreasoning
Parametersnot in the notes
Contextnot in the notes
Released18 Nov 2025
Opennessproprietary
Runs onnot in the notes
Statusactive

Benchmark Results

vendor-reported
ARC-AGI-2knowledge and reasoning
Updated Deep Think; verified by the ARC Prize Foundation per vendorvendor-reported
84.6
050100

Score in %. Higher is better.

Gemini 3 Deep Think upgrade post12 Feb 2026 blog.google
With code execution; ARC Prize Verified per vendorvendor-reported
45.1
050100

Score in %. Higher is better.

Gemini 3 launch post18 Nov 2025 blog.google
Updated Deep Thinkvendor-reported
3,455
3,4503,4553,460

Score in Elo; the axis starts at 3,450, as Elo has no zero. Higher is better.

Gemini 3 Deep Think upgrade post12 Feb 2026 blog.google
GPQA Diamondknowledge and reasoning
vendor-reported
93.8
050100

Score in %. Higher is better.

Gemini 3 launch post18 Nov 2025 blog.google
Humanity's Last Exam (HLE)knowledge and reasoning
Without tools; updated Deep Thinkvendor-reported
48.4
050100

Score in %. Higher is better.

Gemini 3 Deep Think upgrade post12 Feb 2026 blog.google
Without toolsvendor-reported
41
050100

Score in %. Higher is better.

Gemini 3 launch post18 Nov 2025 blog.google
Where this comes from
Every score names who ran it: vendor-reported, maintainer-run or independent. A rank is shown with the population it was ranked in (gap rule 3).

R&D Topics

Identity

Developer
Google DeepMind
Family
Gemini
Released
18 Nov 2025 sourcesannouncement page
Weights published
–
Record checked
11 Oct 2026
Where this comes from
Developer and dates from the research notes. Release date is the vendor's public announcement; weights date is when open weights were published.

Architecture and Size

Architecture
not in the notes
Total parameters
– sources
Active parameters
–
Checkpoint parameters
–
Context length
not in the notes
Input
not in the notes
Output
not in the notes
Where this comes from
Parameter counts as the developer states them. Where the checkpoint holds a different total, both are shown (register A16).

Openness and Access

Openness
proprietary
Licence
Proprietary sources
Access routes
consumer app, gated preview
Where this comes from
The licence file governs over registry tags and aggregator labels.

Deployment

Runs on
not in the notes
Footprint
Specialized reasoning mode of Gemini 3; Google AI Ultra subscribers in the Gemini app, early access via Gemini API by expression of interest. Major upgrade on 12 February 2026
Runtimes
not in the notes
Where this comes from
Deployment tiers and runtimes as named in the notes. Footprint is the notes' figure, not a measurement by AURION.

Indonesia

Indonesian support
not stated
Regional languages
not in the notes
Jakarta hosting
unknown
Languages
not in the notes
Where this comes from
Indonesia fields are carried on every model; unknown is an allowed value.

Lineage

The notes record no lineage for this model.

Industry Use Cases

No industry use case links this model.

Sources

  1. blog.google/products/gemini/gemini-3 https://blog.google/products/gemini/gemini-3/
  2. blog.google/innovation-and-ai/models-and-research/gemini-... https://blog.google/innovation-and-ai/models-and-research/gemini-models/gemini-3-deep-think/

To cite this page: Project AURION, AI Use-Cases Research & Innovation, "Gemini 3 Deep Think", https://aurion.semai.id/models/google-deepmind-gemini-3-deep-think/, records of October 2026.