Claude Opus 4.1vsGemini 3.0 Flash

Claude Opus 4.1
Gemini 3.0 Flash
API pricing
Cheapest input
$15.00Amazon Bedrock
Cheapest output
$75.00Amazon Bedrock
Benchmarks
SWE-Bench Verified
74.5%78%
GPQA Diamond
80.9%90.4%
Benchmarks
BullshitBench v2
43%
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 dateAug 5 2025Dec 17 2025
AccessProprietaryProprietary

Other comparisons

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Frequently asked questions

Gemini 3.0 Flash leads Claude Opus 4.1 on 2 of the 2 benchmarks they both report (SWE-Bench Verified, GPQA Diamond). Claude Opus 4.1 shipped 134 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 4.1 at 74.5%. On GPQA Diamond, Gemini 3.0 Flash leads at 90.4% vs Claude Opus 4.1 at 80.9%.

Claude Opus 4.1 was released by Anthropic on Aug 5 2025.

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

Gemini 3.0 Flash leads on SWE-Bench Verified — Claude Opus 4.1 74.5% vs Gemini 3.0 Flash 78%.

Gemini 3.0 Flash leads on GPQA Diamond — Claude Opus 4.1 80.9% vs Gemini 3.0 Flash 90.4%.