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Claude Opus 4 vs Gemini 2.5 Pro Preview 06-05

Compare Claude Opus 4 by Anthropic against Gemini 2.5 Pro Preview 06-05 by Google AI, in 93 community votes, gemini 2.5 pro preview 06-05 wins 53% of head-to-head duels, context windows of 200K vs 1.0M, tested across 29 shared challenges. Updated April 2026.

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

Gemini 2.5 Pro Preview 06-05 is the better choice overall, winning 53% of 93 blind community votes on Rival. Claude Opus 4 costs $15/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 Opus 4 and Gemini 2.5 Pro Preview 06-05

Claude Opus 4 is made by anthropic while Gemini 2.5 Pro Preview 06-05 is from google. Claude Opus 4 has a 200K token context window compared to Gemini 2.5 Pro Preview 06-05's 1049K. On pricing, Claude Opus 4 costs $15/M input tokens vs $1.25/M for Gemini 2.5 Pro Preview 06-05. In community voting, In 93 community votes, Gemini 2.5 Pro Preview 06-05 wins 53% of head-to-head duels.

In 93 community votes, Gemini 2.5 Pro Preview 06-05 wins 53% of head-to-head duels. Claude Opus 4 leads in Web Design, while Gemini 2.5 Pro Preview 06-05 leads in Image Generation, Analysis, Conversation. Based on blind community voting from the Rival open dataset of 93+ human preference judgments for this pair.

Web Design: Claude Opus 4 wins 59% of votes
Image Generation: Gemini 2.5 Pro Preview 06-05 wins 57% of votes
Analysis: Gemini 2.5 Pro Preview 06-05 wins 75% of votes
Conversation: Gemini 2.5 Pro Preview 06-05 wins 100% of votes
Reasoning: Gemini 2.5 Pro Preview 06-05 wins 100% of votes
Our Verdict
Gemini 2.5 Pro Preview 06-05
Gemini 2.5 Pro Preview 06-05Winner
Claude Opus 4
Claude Opus 4Runner-up

Gemini 2.5 Pro Preview 06-05 has the edge overall. In 93 blind votes, Gemini 2.5 Pro Preview 06-05 wins 53% of the time.

Pick Claude Opus 4 for Web Design. Pick Gemini 2.5 Pro Preview 06-05 for Conversation, Reasoning, Analysis. Gemini 2.5 Pro Preview 06-05 is 7.5x cheaper per token — worth considering if cost matters.

Slight edge
Writing DNA

Style Comparison

Similarity
91%

Claude Opus 4 uses 11.2x more emoji

Claude Opus 4
Gemini 2.5 Pro Preview 06-05
64%Vocabulary51%
62wSentence Length15w
0.52Hedging0.31
4.4Bold4.8
9.1Lists4.1
0.11Emoji0.00
1.87Headings0.98
0.27Transitions0.05
Based on 16 + 20 text responses
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Claude Opus 4Gemini 2.5 Pro Preview 06-05

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