Claude Opus 4vsGemini 3.0 Flash

Claude Opus 4
Gemini 3.0 Flash
API pricing
Cheapest input
$15.00Google
Cheapest output
$75.00Google
Benchmarks
SWE-Bench Verified
72.5%78%
GPQA Diamond
79.6%90.4%
Benchmarks
BullshitBench v2
34%
SWE-Bench Pro
49.6%
Terminal-Bench 2.1
58%
MCP Atlas
62%
Toolathlon
49.4%
Humanity's Last Exam · no tools
33.7%
ARC-AGI-2
33.6%
OSWorld-Verified
65.1%
Finance Agent v2
42.6%
GDPval-AA
1204
CharXiv Reasoning
80.3%
MMMU-Pro
81.2%
Blueprint-Bench 2
0%
MRCR v2 (8-needle) · 128k average
67.2%
MRCR v2 (8-needle) · 1M pointwise
22.1%
Overview
CompanyAnthropicGoogle
Release dateMay 22 2025Dec 17 2025
AccessProprietaryProprietary

Other comparisons

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Frequently asked questions

Gemini 3.0 Flash leads Claude Opus 4 on 2 of the 2 benchmarks they both report (SWE-Bench Verified, GPQA Diamond). Claude Opus 4 shipped 209 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 SWE-Bench Verified, Gemini 3.0 Flash leads at 78% vs Claude Opus 4 at 72.5%. On GPQA Diamond, Gemini 3.0 Flash leads at 90.4% vs Claude Opus 4 at 79.6%.

Claude Opus 4 was released by Anthropic on May 22 2025.

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

Gemini 3.0 Flash leads on SWE-Bench Verified — Claude Opus 4 72.5% vs Gemini 3.0 Flash 78%.

Gemini 3.0 Flash leads on GPQA Diamond — Claude Opus 4 79.6% vs Gemini 3.0 Flash 90.4%.