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Gemini 2.5 Pro vs GPT-5.4

2 vs 1 benchmarks won

Google
Gemini 2.5 Pro
OpenAI
GPT-5.4
Overview
CompanyGoogleOpenAI
Release dateMar 25 2025Mar 5 2026
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
86.4%
92.8%
Software engineering
SWE-Bench Verified
59.6%
Multimodal understanding
MMMU
68%
Timeline
Release gapGemini 2.5 Pro shipped 345 days before GPT-5.4

Which is better: Gemini 2.5 Pro or GPT-5.4?

Gemini 2.5 Pro leads GPT-5.4 on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Gemini 2.5 Pro shipped 345 days before GPT-5.4, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

On GPQA Diamond, GPT-5.4 scores 92.8%, 6.4 points above Gemini 2.5 Pro at 86.4%.

Frequently asked questions

When was Gemini 2.5 Pro released?
Gemini 2.5 Pro was released by Google on Mar 25 2025.
When was GPT-5.4 released?
GPT-5.4 was released by OpenAI on Mar 5 2026.
Which is better on GPQA Diamond, Gemini 2.5 Pro or GPT-5.4?
GPT-5.4 scores higher on GPQA Diamond — Gemini 2.5 Pro 86.4% vs GPT-5.4 92.8%.

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