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Claude Sonnet 4.5 vs Gemini 3.0 Pro Image

3 vs 0 benchmarks won

Anthropic
Claude Sonnet 4.5
Google
Gemini 3.0 Pro Image
Overview
CompanyAnthropicGoogle
Release dateSep 29 2025Nov 20 2025
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
83.4%
Software engineering
SWE-Bench Verified
77.2%
Multimodal understanding
MMMU
68%
Timeline
Release gapClaude Sonnet 4.5 shipped 52 days before Gemini 3.0 Pro Image

Which is better: Claude Sonnet 4.5 or Gemini 3.0 Pro Image?

Claude Sonnet 4.5 leads Gemini 3.0 Pro Image on 3 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Claude Sonnet 4.5 shipped 52 days before Gemini 3.0 Pro Image, 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 — at least one of these models has not published scores on GPQA Diamond, SWE-Bench Verified, or MMMU.

Frequently asked questions

When was Claude Sonnet 4.5 released?
Claude Sonnet 4.5 was released by Anthropic on Sep 29 2025.
When was Gemini 3.0 Pro Image released?
Gemini 3.0 Pro Image was released by Google on Nov 20 2025.

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