Claude 3.7 Sonnet vs Gemini 3 Pro Preview

Compare Claude 3.7 Sonnet by Anthropic against Gemini 3 Pro Preview by Google AI, in 10 community votes, gemini 3 pro preview wins 83% of head-to-head duels, tested across 51 shared challenges. Updated April 2026.

Which is better, Claude 3.7 Sonnet or Gemini 3 Pro Preview?

Gemini 3 Pro Preview is the better choice overall, winning 83% of 10 blind community votes on Rival. Compare their real outputs side by side below.

Key Differences Between Claude 3.7 Sonnet and Gemini 3 Pro Preview

Claude 3.7 Sonnet is made by anthropic while Gemini 3 Pro Preview is from google. In community voting, In 10 community votes, Gemini 3 Pro Preview wins 83% of head-to-head duels.

In 10 community votes, Gemini 3 Pro Preview wins 83% of head-to-head duels. Gemini 3 Pro Preview leads in Image Generation. Based on blind community voting from the Rival open dataset of 10+ human preference judgments for this pair.

Image Generation: Gemini 3 Pro Preview wins 100% of votes
Reasoning: Claude 3.7 Sonnet and Gemini 3 Pro Preview are tied
Our Verdict
Gemini 3 Pro Preview
Gemini 3 Pro PreviewWinner
Claude 3.7 Sonnet
Claude 3.7 SonnetRunner-up

Pick Gemini 3 Pro Preview. In 10 blind votes, Gemini 3 Pro Preview wins 83% of the time. That's not luck.

Gemini 3 Pro Preview particularly excels in Image Generation.

Clear winner
Writing DNA

Style Comparison

Similarity
96%

Gemini 3 Pro Preview uses 6.4x more bold

Claude 3.7 Sonnet
Gemini 3 Pro Preview
62%Vocabulary58%
35wSentence Length17w
0.99Hedging0.37
1.2Bold7.7
4.3Lists4.8
0.00Emoji0.00
1.78Headings0.90
0.23Transitions0.25
Based on 13 + 23 text responses
vs

Ask them anything yourself

Claude 3.7 SonnetGemini 3 Pro Preview

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

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