Claude Opus 4.5 vs Gemini 2.5 Pro Preview 06-05
Compare Claude Opus 4.5 by Anthropic against Gemini 2.5 Pro Preview 06-05 by Google AI, tested across 44 shared challenges. Updated June 2026.
Which is better, Claude Opus 4.5 or Gemini 2.5 Pro Preview 06-05?
Claude Opus 4.5 and Gemini 2.5 Pro Preview 06-05 are both competitive models. Compare their real outputs side by side below.
Key Differences Between Claude Opus 4.5 and Gemini 2.5 Pro Preview 06-05
Claude Opus 4.5 is made by anthropic while Gemini 2.5 Pro Preview 06-05 is from google.
Our Verdict
Claude Opus 4.5
Gemini 2.5 Pro Preview 06-05
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Too close to call
API pricing
Cost per 1M tokens
Claude Opus 4.5
Input
—
Output
—
Gemini 2.5 Pro Preview 06-05
Input
$1.25
Output
$10.00
Writing DNA
Style Comparison
Similarity
42%
Claude Opus 4.5 uses 15.2x more emoji
Claude Opus 4.5
Gemini 2.5 Pro Preview 06-05
64%Vocabulary51%
55wSentence Length15w
0.86Hedging0.31
5.8Bold4.8
4.5Lists4.1
0.15Emoji0.00
1.59Headings0.98
0.05Transitions0.05
Based on 24 + 20 text responses
Research
What we learned reading every model
FAQ
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