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Gemini 3.0 Flash vs o1-preview

Google Gemini 3.0 Flash vs OpenAI o1-preview — side-by-side specs.

Google
Gemini 3.0 Flash
OpenAI
o1-preview
Overview
CompanyGoogleOpenAI
Release dateDec 17 2025Sep 12 2024
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Agentic coding
SWE-Bench Pro
49.6%
Coding
SWE-Bench Verified
78%
Agentic terminal coding
Terminal-Bench 2.1
58%
Multi-step tool use
MCP Atlas
62%
General tool use
Toolathlon
49.4%
Multidisciplinary reasoning
Humanity's Last Exam · no tools
33.7%
Abstract reasoning
ARC-AGI-2
33.6%
Science
GPQA Diamond
90.4%
Agentic computer use
OSWorld-Verified
65.1%
Agentic financial analysis
Finance Agent v2
42.6%
Knowledge work
GDPval-AA
1204
Chart reasoning
CharXiv Reasoning
80.3%
Multimodal reasoning
MMMU-Pro
81.2%
Spatial reasoning
Blueprint-Bench 2
0%
Long context
MRCR v2 (8-needle) · 128k average
67.2%
Long context
MRCR v2 (8-needle) · 1M pointwise
22.1%
Timeline
Release gapo1-preview shipped 461 days before Gemini 3.0 Flash

Which is better: Gemini 3.0 Flash or o1-preview?

Gemini 3.0 Flash and o1-preview don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. o1-preview shipped 461 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.

Direct benchmark comparisons are unavailable — Gemini 3.0 Flash and o1-preview don't publish scores on any of the same benchmarks.

Frequently asked questions

When was Gemini 3.0 Flash released?
Gemini 3.0 Flash was released by Google on Dec 17 2025.
When was o1-preview released?
o1-preview was released by OpenAI on Sep 12 2024.

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