Gemini 3 Pro Preview vs Claude Sonnet 4

Compare Gemini 3 Pro Preview by Google AI against Claude Sonnet 4 by Anthropic, tested across 32 shared challenges. Updated April 2026.

Which is better, Gemini 3 Pro Preview or Claude Sonnet 4?

Gemini 3 Pro Preview and Claude Sonnet 4 are both competitive models. Compare their real outputs side by side below.

Key Differences Between Gemini 3 Pro Preview and Claude Sonnet 4

Gemini 3 Pro Preview is made by google while Claude Sonnet 4 is from anthropic.

Our Verdict
Gemini 3 Pro Preview
Gemini 3 Pro Preview
Claude Sonnet 4
Claude Sonnet 4Runner-up

No community votes yet. On paper, Gemini 3 Pro Preview has the edge — bigger model tier, newer.

Too close to call
Writing DNA

Style Comparison

Similarity
96%

Claude Sonnet 4 uses 87.9x more emoji

Gemini 3 Pro Preview
Claude Sonnet 4
58%Vocabulary62%
17wSentence Length111w
0.37Hedging0.40
7.7Bold5.0
4.8Lists9.3
0.00Emoji0.88
0.90Headings2.16
0.25Transitions0.33
Based on 23 + 17 text responses
vs

Ask them anything yourself

Gemini 3 Pro PreviewClaude Sonnet 4

279 AI models invented the same fake scientist.

We read every word. 250 models. 2.14 million words. This is what we found.

AI Hallucination Index 2026
Free preview13 of 58 slides
FAQ

Common questions