Claude Opus 4.6 vs Gemini 2.5 Pro (I/O Edition)
Compare Claude Opus 4.6 by Anthropic against Gemini 2.5 Pro (I/O Edition) by Google AI, tested across 40 shared challenges.
Our Verdict
Claude Opus 4.6
Gemini 2.5 Pro (I/O Edition)
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 4.6
Input
$5.00
Output
$25.00
Gemini 2.5 Pro (I/O Edition)
Input
$1.25
4.0× cheaper
Output
$10.00
2.5× cheaper
Gemini 2.5 Pro (I/O Edition) is cheaper on both — 4.0× input, 2.5× output
Writing DNA
Style Comparison
Similarity
46%
Claude Opus 4.6 uses 20.7x more emoji
Claude Opus 4.6
Gemini 2.5 Pro (I/O Edition)
53%Vocabulary58%
35wSentence Length16w
0.68Hedging0.38
5.2Bold5.8
2.9Lists5.0
0.21Emoji0.00
1.34Headings0.63
0.03Transitions0.01
Based on 23 + 16 text responses
Research
What we learned reading every model
FAQ
