> Gemini 3 Pro is a closed AI model from Google, released 18 Nov 2025. Index score 161 (GPT-4 = 100), rank 39 of 229 ranked models.

[Models](https://themodelindex.org/models/) /[Google](https://themodelindex.org/labs/google/)

# Gemini 3 Pro

Google

Released 18 Nov 2025

Closed

Flagship

Date verified

[Compare](https://themodelindex.org/compare/gemini-3-pro-vs-deepseek-v3-2/) [Announcement](https://blog.google/products-and-platforms/products/gemini/gemini-3/)

161150–172

Index score

#39 of 229 models

Deep Think mode: 176

6/ 8

Core tests taken

4 of 6 areas · plus 16 anchor tests

Frontier

Versus the frontier at release

set or matched the record

Replaced by [Gemini 3.1 Pro](https://themodelindex.org/models/gemini-3-1-pro/)

–

Price per million tokens

no public API price found

–

Context window

tokens it reads at once

## Where it sits · on the frontier

_Chart: Model Index score of every scored model since late 2022, with the best closed and best open model over time_

Among the first models to reach this score.

## Test results · by area · tick = best by any model

Show 12 anchor tests

Reasoning & knowledge

evidence

GPQA Diamond

93%

Humanity's Last Exam

38%

Maths

evidence

FrontierMath T1-3

no result

Coding

evidence

SWE-bench Verified

73%

Terminal-Bench

69%

Agents

evidence

APEX-Agents

no result

Novel problems

evidence

ARC-AGI-2

31%

Long tasks

evidence

METR time horizon

3.7 h

Independent results from the Epoch AI benchmarking hub, best reasoning setting. The core tests are shown here; anchor tests also inform the score and can be shown above.

## What others say · rank on each leaderboard

The Model Index

independent tests, our method

#39

of 219 · 161

LMArena · Creative writing

creative writing

#7

of 386 · 1484

LMArena · Text

overall chat quality, judged by people

#18

of 388 · 1485

LMArena · Vision

understanding images

#11

of 149 · 1289

LMArena · Maths

maths questions in chat

#36

of 373 · 1477

LMArena · Coding

coding questions in chat

#39

of 383 · 1518

Epoch Capabilities Index

overall capability from many benchmarks

#38

of 239 · 152.9

LMArena · WebDev

building web apps and front ends

#63

of 123 · 1439

LMArena · Documents

working with long documents

#31

of 41 · 1434

Further left is better. Leaderboards measure different things: LMArena is people voting blind between two answers, the others are test scores. Click any row for the source.

## Best at · top three among current models

3rd

creative writing

LMArena · Creative writing

3rd

understanding images

LMArena · Vision

3rd

SWE-bench Verified

Epoch AI · independent

3rd

Terminal-Bench

Epoch AI · independent

3rd

METR time horizon

Epoch AI · independent

Where this model places in the top three of today's models, on category leaderboards and on our core tests.

## Where to use it · prices checked 1 Oct 2026

#### From the lab

Gemini

app · subscription

↗

Google AI Studio

API

↗

Provider prices come from OpenRouter's live listing; going direct to a provider can differ. Subscriptions are the lab's own apps.

## Facts and sources

Released

18 Nov 2025

Announcement

[blog.google ↗](https://blog.google/products-and-platforms/products/gemini/gemini-3/)

Release entry

Gemini 3 Pro

Scored as

Gemini 3 Pro

Artificial Analysis index

–

Deep Think mode

index 176

Output speed

–

Hugging Face

closed weights

## Google releases · around this one

Gemma 3n

Open

20 MAY 2025

Gemini 2.5 Flash-Lite

Closed

17 JUN 2025

index 119

Gemini 3 Pro

Closed

18 NOV 2025

index 161

Gemini 3 Flash

Closed

17 DEC 2025

index 158

Gemini 3.1 Pro

Closed

19 FEB 2026

index 166

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Source: https://themodelindex.org/models/gemini-3-pro/ · The Model Index · data as of 2026-10-01