> Gemini 2.5 Pro is a closed AI model from Google, released 25 Mar 2025. Index score 141 (GPT-4 = 100), rank 86 of 229 ranked models.

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

# Gemini 2.5 Pro

Google

Released 25 Mar 2025

Closed

Reasoning

Date verified

[Compare](https://themodelindex.org/compare/gemini-2-5-pro-vs-deepseek-r1/) [Announcement](https://blog.google/innovation-and-ai/models-and-research/google-deepmind/gemini-model-thinking-updates-march-2025/)

141129–152

Index score

#86 of 229 models

2/ 8

Core tests taken

1 of 6 areas · plus 10 anchor tests

Frontier

Versus the frontier at release

set or matched the record

Replaced by [Gemini 2.5 Pro (May 2025)](https://themodelindex.org/models/gemini-2-5-pro-may-2025/)

–

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 6 anchor tests

Reasoning & knowledge

evidence

GPQA Diamond

84%

Humanity's Last Exam

18%

Maths

evidence

FrontierMath T1-3

no result

Coding

evidence

SWE-bench Verified

no result

Terminal-Bench

no result

Agents

evidence

APEX-Agents

no result

Novel problems

evidence

ARC-AGI-2

no result

Long tasks

no evidence yet

METR time horizon

no result

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

#86

of 219 · 141

LMArena · Creative writing

creative writing

#48

of 386 · 1443

LMArena · Text

overall chat quality, judged by people

#76

of 388 · 1446

LMArena · Maths

maths questions in chat

#82

of 373 · 1439

LMArena · Coding

coding questions in chat

#114

of 383 · 1464

LMArena · Vision

understanding images

#46

of 149 · 1247

Epoch Capabilities Index

overall capability from many benchmarks

#78

of 239 · 145.3

LMArena · Documents

working with long documents

#34

of 41 · 1421

LMArena · WebDev

building web apps and front ends

#116

of 123 · 1227

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

Replaced by Gemini 2.5 Pro (May 2025); it no longer leads any category among current models.

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

↗

#### API providers · 2 · per million tokens, in / out

G

Google AI Studio

$2.25 / $18

cheapest

G

Google

$2.25 / $18

↗

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

25 Mar 2025

Announcement

[blog.google ↗](https://blog.google/innovation-and-ai/models-and-research/google-deepmind/gemini-model-thinking-updates-march-2025/)

Release entry

Gemini 2.5 Pro

Scored as

Gemini 2.5 Pro (Mar 2025)

Artificial Analysis index

–

Output speed

–

Hugging Face

closed weights

## Google releases · around this one

Gemini 2.0 Pro

Closed

5 FEB 2025

index 121

Gemma 3

Open

12 MAR 2025

index 112

Gemini 2.5 Pro

Closed

25 MAR 2025

index 141

Gemini 2.5 Flash

Closed

17 APR 2025

index 132

Gemma 3n

Open

20 MAY 2025

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Source: https://themodelindex.org/models/gemini-2-5-pro/ · The Model Index · data as of 2026-10-01