The Open-Source AI Stack
RSS
All models

Models · gemini-3

Gemini 3 Pro

Proprietary Google DeepMind · 2025-11-18 · Proprietary

DeepMind's flagship Gemini 3, announced by Sundar Pichai November 18 2025 with broader rollout on November 20. Shipped with a Deep Think mode and an agentic Gemini Agent surface, plus the new Antigravity platform for agent-first development.

Cost

$2.00 / Mtok input
$12.00 / Mtok output

· as of 2026-05-21

source ↗

Speed

132.9 tok/sec output
29181 ms TTFT

· as of 2026-05-21

source ↗

Architecture

tokens in Embedding vocab not disclosed × N layers Architecture not disclosed (proprietary or undocumented) Output projection tokens out
Schema-generated from data/models.yaml. Every label is auditable against the model's sources.

Specs

Architecture
unknown
Total params
not disclosed
Active params
not disclosed
Context window
1.0M tokens
Attention
unknown
Position encoding
unknown
Post-training
rlhf
OSI-approved
no
Data released
no
Training code
not released

Benchmarks

Each score carries the date it was published; we never infer or interpolate missing scores.

General reasoning

MMLU-Pro 89.8 as of 2026-05-21 source ↗
GPQA-Diamond 91.9 as of 2025-11-18 source ↗

Code

SWE-Bench Verified 76.2 as of 2025-11-18 source ↗
LiveCodeBench 91.7 as of 2026-05-21 source ↗

Math

AIME 2025 95.7 as of 2026-05-21 source ↗

Available quantizations

None. The weights are not distributed, so there are no public quantizations.

Notable innovations

  • · Deep Think reasoning mode
  • · Antigravity agent-development platform
  • · Integration across Search AI Mode, Gemini app, Vertex AI on day one

Lineage

Flagship of the Gemini 3 generation; ships with the new Deep Think mode.

Derivatives

Sources