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Claude Sonnet 4 vs Gemini 2.5 Pro Preview 06-05

Compare Claude Sonnet 4 by Anthropic against Gemini 2.5 Pro Preview 06-05 by Google AI, in 75 community votes, gemini 2.5 pro preview 06-05 wins 57% of head-to-head duels, context windows of 200K vs 1.0M, tested across 29 shared challenges. Updated April 2026.

Which is better, Claude Sonnet 4 or Gemini 2.5 Pro Preview 06-05?

Gemini 2.5 Pro Preview 06-05 is the better choice overall, winning 57% of 75 blind community votes on Rival. Claude Sonnet 4 costs $3/M input tokens vs $1.25/M for Gemini 2.5 Pro Preview 06-05. Context windows: 200K vs 1049K tokens. Compare their real outputs side by side below.

Key Differences Between Claude Sonnet 4 and Gemini 2.5 Pro Preview 06-05

Claude Sonnet 4 is made by anthropic while Gemini 2.5 Pro Preview 06-05 is from google. Claude Sonnet 4 has a 200K token context window compared to Gemini 2.5 Pro Preview 06-05's 1049K. On pricing, Claude Sonnet 4 costs $3/M input tokens vs $1.25/M for Gemini 2.5 Pro Preview 06-05. In community voting, In 75 community votes, Gemini 2.5 Pro Preview 06-05 wins 57% of head-to-head duels.

In 75 community votes, Gemini 2.5 Pro Preview 06-05 wins 57% of head-to-head duels. Gemini 2.5 Pro Preview 06-05 leads in Web Design, Analysis. Based on blind community voting from the Rival open dataset of 75+ human preference judgments for this pair.

Web Design: Gemini 2.5 Pro Preview 06-05 wins 61% of votes
Image Generation: Claude Sonnet 4 and Gemini 2.5 Pro Preview 06-05 are tied
Analysis: Gemini 2.5 Pro Preview 06-05 wins 75% of votes
Reasoning: Claude Sonnet 4 and Gemini 2.5 Pro Preview 06-05 are tied
Our Verdict
Gemini 2.5 Pro Preview 06-05
Gemini 2.5 Pro Preview 06-05Winner
Claude Sonnet 4
Claude Sonnet 4Runner-up

Gemini 2.5 Pro Preview 06-05 has the edge overall. In 75 blind votes, Gemini 2.5 Pro Preview 06-05 wins 57% of the time.

Gemini 2.5 Pro Preview 06-05 particularly excels in Analysis, Web Design.

Slight edge
Writing DNA

Style Comparison

Similarity
91%

Claude Sonnet 4 uses 87.9x more emoji

Claude Sonnet 4
Gemini 2.5 Pro Preview 06-05
62%Vocabulary51%
111wSentence Length15w
0.40Hedging0.31
5.0Bold4.8
9.3Lists4.1
0.88Emoji0.00
2.16Headings0.98
0.33Transitions0.05
Based on 17 + 20 text responses
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Claude Sonnet 4Gemini 2.5 Pro Preview 06-05

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