Claude Sonnet 5 vs Gemini 2.5 Pro Experimental
Compare Claude Sonnet 5 by Anthropic against Gemini 2.5 Pro Experimental by Google AI, context windows of 1.0M vs 1.0M, tested across 42 shared challenges.
Our Verdict
Claude Sonnet 5
Gemini 2.5 Pro Experimental
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Gemini 2.5 Pro Experimental is 5.0x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Claude Sonnet 5
Input
$2.00
Output
$10.00
Gemini 2.5 Pro Experimental
Input
$1.00
2.0× cheaper
Output
$2.00
5.0× cheaper
Gemini 2.5 Pro Experimental is cheaper on both — 2.0× input, 5.0× output
Writing DNA
Style Comparison
Similarity
26%
Claude Sonnet 5 uses 79.4x more emoji
Claude Sonnet 5
Gemini 2.5 Pro Experimental
59%Vocabulary54%
35wSentence Length15w
0.53Hedging0.35
3.5Bold5.6
3.5Lists3.9
0.79Emoji0.00
1.25Headings0.39
0.06Transitions0.17
Based on 27 + 18 text responses
Research
What we learned reading every model
FAQ
