Google: Gemini 3.1 Pro Preview

google/gemini-3.1-pro-preview

25th smartest of 182ReasoningToolsJSONVisionAudio

Use via OpenRouter ↗

Intelligence

46.5

25th of 182

Design Elo

1334

svg

Speed

—

tokens/sec

Latency

—

first token

Input price

$2.00

269th cheapest

Context

1.0M

66K max out

How it compares

Smarter than86%

of all ranked models

Cheaper than19%

of all ranked models

Overview

Gemini 3.1 Pro Preview is Google’s frontier reasoning model, delivering enhanced software engineering performance, improved agentic reliability, and more efficient token usage across complex workflows. Building on the multimodal foundation...

Benchmarks

independent · Artificial Analysis & Design Arena

Artificial Analysis95th percentile

Intelligence Index

46.5

Coding Index

68.8

GPQA Diamond

94%

Humanity's Last Exam

45%

SciCode

59%

Tau²-Bench (agentic)

96%

Design Arena · Elo4,056 tournaments

svg

1334

1290

Website

1256

Data Viz

1239

Providers & pricing (6)

Provider	In $/M	Out $/M	Context	Uptime
Google	$2.00	$12.00	1.0M	98.9%
Google	$1.00	$6.00	1.0M	98.9%
Google	$3.60	$21.60	1.0M	98.9%
Google AI Studio	$2.00	$12.00	1.0M	99.7%
Google AI Studio	$1.00	$6.00	1.0M	99.7%
Google AI Studio	$3.60	$21.60	1.0M	99.7%

Specifications

Context window1.0M

Max output66K

Knowledge cutoff—

Input modalitiesaudio, file, image, text, video

Output modalitiestext

Prompt caching—

Cache read price$0.200/M

ModeratedNo

Gemini 3.1 Pro Preview FAQ

How much does Gemini 3.1 Pro Preview cost?

Gemini 3.1 Pro Preview costs $2.00 per million input tokens and $12.00 per million output tokens via OpenRouter, making it 269th cheapest of 332 paid models.

How smart is Gemini 3.1 Pro Preview?

Gemini 3.1 Pro Preview scores 46.5 on the Artificial Analysis Intelligence Index, ranking 25th of 182 benchmarked models, with a GPQA Diamond score of 94%.