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Gemini 3.1 Pro Preview

Gemini 3.1 Pro Preview is an AI model from Google (Alphabet Inc.).

Publisher
Google (Alphabet Inc.)
Family
Gemini
Context
1.0M
Input
Output
Released
19 Feb 2026

Cite

Notes

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Attribution

Benchmark scores
AAprime-hubLiveBenchmatharenaVals AI
Attribution policy →
Context
1.0M
Input
$2
/1M tok
Output
$12
/1M tok
Blended
$4.50
#380/ 414/1M · 3:1
Speed
132
#76/ 414tok/s
Cache read
$0.20
0.10x input
Cache write
$0.38
0.19x input

Price & speed via Artificial Analysis · ranked across tracked models · caching via OpenRouter

Reported on 36 evals across 13 domains - best 95.6% on τ²-bench (Tau²-bench) · #10 of 320

Reported eval scores

36
LiveBench - Data Analysis78.5
Terminal-Bench (Hard)53.8
LiveBench - Language85.4
IFBench77.1
LiveBench - Math91
LiveBench - Reasoning84
LiveBench - Coding76.5
LiveBench - Instruction Following79.1
Curvebench Env73.1
Simpleqa Verified72.7
Curvebench Hard Env22.8
Graphwalks15.1
Infraresolutionbench84.4
Codenames2
Apex Shortlist76.8
AutomationBench12.3
GPQA Diamond94.1
GPQA (Full Set)93.2
SciCode58.9
LiveBench82.4
Humanity's Last Exam (HLE)44.7
Vals Index53.4
MedCode59.1
MedScribe76.1
τ²-bench (Tau²-bench)95.6
MortgageTax69.4
CorpFin v264.5
TaxEval v272.9
Finance Agent (v2)43
MathArena86.3
FrontierMath
FrontierScience: Expert-Level Scientific Reasoning42.5
SAGE48.7
ProofBench26
Vibe Code Bench v1.132
Vals Multimodal Index55.7