When was Gemini 3.0 Flash released?

Gemini 3.0 Flash was released by Google on Dec 17 2025.

When was GPT-5.1 released?

GPT-5.1 was released by OpenAI on Nov 12 2025.

Which is better on GPQA Diamond, Gemini 3.0 Flash or GPT-5.1?

Gemini 3.0 Flash scores higher on GPQA Diamond — Gemini 3.0 Flash 90.4% vs GPT-5.1 88.1%.

Which is better at coding, Gemini 3.0 Flash or GPT-5.1?

On SWE-Bench Verified (real-world software-engineering tasks), Gemini 3.0 Flash leads — Gemini 3.0 Flash scores 78% and GPT-5.1 scores 76.3%.

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Gemini 3.0 Flash vs GPT-5.1

2 vs 1 benchmarks won

	Google Gemini 3.0 Flash	OpenAI GPT-5.1
Overview
Company	Google	OpenAI
Release date	Dec 17 2025	Nov 12 2025
Model type	—	—
Open source	No	No
Specifications
Parameters	—	—
Context window	—	—
Benchmarks
Science reasoning GPQA Diamond	90.4%	88.1%
Software engineering SWE-Bench Verified	78%	76.3%
Multimodal understanding MMMU	—	76%
Timeline
Release gap	GPT-5.1 shipped 35 days before Gemini 3.0 Flash

Which is better: Gemini 3.0 Flash or GPT-5.1?

Gemini 3.0 Flash leads GPT-5.1 on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). GPT-5.1 shipped 35 days before Gemini 3.0 Flash, 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, Gemini 3.0 Flash scores 90.4%, 2.3 points above GPT-5.1 at 88.1%. On SWE-Bench Verified, Gemini 3.0 Flash scores 78%, 1.7 points above GPT-5.1 at 76.3%.

Frequently asked questions

When was Gemini 3.0 Flash released?: Gemini 3.0 Flash was released by Google on Dec 17 2025.
When was GPT-5.1 released?: GPT-5.1 was released by OpenAI on Nov 12 2025.
Which is better on GPQA Diamond, Gemini 3.0 Flash or GPT-5.1?: Gemini 3.0 Flash scores higher on GPQA Diamond — Gemini 3.0 Flash 90.4% vs GPT-5.1 88.1%.
Which is better at coding, Gemini 3.0 Flash or GPT-5.1?: On SWE-Bench Verified (real-world software-engineering tasks), Gemini 3.0 Flash leads — Gemini 3.0 Flash scores 78% and GPT-5.1 scores 76.3%.