Gemini Pro 1.0 vs Claude Sonnet 4

Compare Gemini Pro 1.0 by Google AI against Claude Sonnet 4 by Anthropic, in 1 community votes, claude sonnet 4 wins 100% of head-to-head duels, context windows of 33K vs 200K, tested across 15 shared challenges. Updated April 2026.

Which is better, Gemini Pro 1.0 or Claude Sonnet 4?

Claude Sonnet 4 is the better choice overall, winning 100% of 1 blind community votes on Rival. Gemini Pro 1.0 costs $0.5/M input tokens vs $3/M for Claude Sonnet 4. Context windows: 33K vs 200K tokens. Compare their real outputs side by side below.

Key Differences Between Gemini Pro 1.0 and Claude Sonnet 4

Gemini Pro 1.0 is made by google while Claude Sonnet 4 is from anthropic. Gemini Pro 1.0 has a 33K token context window compared to Claude Sonnet 4's 200K. On pricing, Gemini Pro 1.0 costs $0.5/M input tokens vs $3/M for Claude Sonnet 4. In community voting, In 1 community votes, Claude Sonnet 4 wins 100% of head-to-head duels.

In 1 community votes, Claude Sonnet 4 wins 100% of head-to-head duels. Based on blind community voting from the Rival open dataset of 1+ human preference judgments for this pair.

Our Verdict
Claude Sonnet 4
Claude Sonnet 4Winner
Gemini Pro 1.0
Gemini Pro 1.0Runner-up

Pick Claude Sonnet 4. In 1 blind votes, Claude Sonnet 4 wins 100% of the time. That's not luck.

Gemini Pro 1.0 is 10x cheaper per token — worth considering if cost matters.

Clear winner
Writing DNA

Style Comparison

Similarity
84%

Claude Sonnet 4 uses 87.9x more emoji

Gemini Pro 1.0
Claude Sonnet 4
61%Vocabulary62%
13wSentence Length111w
0.41Hedging0.40
5.3Bold5.0
5.4Lists9.3
0.00Emoji0.88
0.46Headings2.16
0.38Transitions0.33
Based on 13 + 17 text responses
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Gemini Pro 1.0Claude 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
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