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Head-to-head

Gemini 3.1 Pro vs GPT-5.4 Pro

As of October 26, 2026, Gemini 3.1 Pro leads GPT-5.4 Pro on the Analyzer Index, 84.9 to 81.8.

Normalized scores are min-maxed per benchmark across all models we track (0–100). Open the interactive compare view to add benchmarks to the radar chart or pull in more models.

Gemini 3.1 Pro
Google
GPT-5.4 Pro
OpenAI
At a glanceGemini 3.1 ProGPT-5.4 Pro
Analyzer Index84.9 (10/13)81.8 (5/13)
Blended price$2.25/M$33.75/M
Cheapest hostmaker's APImaker's API
Context2.0M1.1M
Output speed——
Time to first token——
BenchmarkGemini 3.1 ProGPT-5.4 Pro
Chatbot Arena Elo

Arena

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SWE-bench Verified

SWE-bench

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MMMU-Pro

MMMU-Pro

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Rolling Contamination-Controlled Average

Rolling Avg

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Rolling Data Analysis

Data Analysis

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FrontierMath Tiers 1-3

FrontierMath

SimpleQA Verified

SimpleQA

OTIS Mock AIME 2024-2025

OTIS AIME

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Humanity's Last Exam

HLE

ARC-AGI 2

ARC-AGI 2

Terminal-Bench 2

TermBench 2

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Frontier Composite

Frontier

Methodology matches the main AI Model Analyzer About page.