Claude 3 Opus vs Gemini 2.5 Pro Preview 06-05

Compare Claude 3 Opus by Anthropic against Gemini 2.5 Pro Preview 06-05 by Google AI, in 1 community votes, gemini 2.5 pro preview 06-05 wins 100% of head-to-head duels, context windows of 200K vs 1.0M, tested across 10 shared challenges. Updated April 2026.

Which is better, Claude 3 Opus or Gemini 2.5 Pro Preview 06-05?

Gemini 2.5 Pro Preview 06-05 is the better choice overall, winning 100% of 1 blind community votes on Rival. Claude 3 Opus 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 3 Opus and Gemini 2.5 Pro Preview 06-05

Claude 3 Opus is made by anthropic while Gemini 2.5 Pro Preview 06-05 is from google. Claude 3 Opus has a 200K token context window compared to Gemini 2.5 Pro Preview 06-05's 1049K. On pricing, Claude 3 Opus costs $15/M input tokens vs $1.25/M for Gemini 2.5 Pro Preview 06-05. In community voting, In 1 community votes, Gemini 2.5 Pro Preview 06-05 wins 100% of head-to-head duels.

In 1 community votes, Gemini 2.5 Pro Preview 06-05 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
Gemini 2.5 Pro Preview 06-05
Gemini 2.5 Pro Preview 06-05Winner
Claude 3 Opus
Claude 3 OpusRunner-up

Pick Gemini 2.5 Pro Preview 06-05. In 1 blind votes, Gemini 2.5 Pro Preview 06-05 wins 100% of the time. That's not luck.

Gemini 2.5 Pro Preview 06-05 is 7.5x cheaper per token — worth considering if cost matters.

Clear winner
Writing DNA

Style Comparison

Similarity
99%

Gemini 2.5 Pro Preview 06-05 uses 482.5x more bold

Claude 3 Opus
Gemini 2.5 Pro Preview 06-05
54%Vocabulary51%
14wSentence Length15w
0.48Hedging0.31
0.0Bold4.8
3.0Lists4.1
0.00Emoji0.00
0.00Headings0.98
0.06Transitions0.05
Based on 3 + 20 text responses
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Claude 3 OpusGemini 2.5 Pro Preview 06-05

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