Claude Opus 4.5 vs Google: Gemini 2.5 Flash Lite Preview 09-2025
Compare Claude Opus 4.5 by Anthropic against Google: Gemini 2.5 Flash Lite Preview 09-2025 by Google AI, tested across 54 shared challenges.
Our Verdict
Claude Opus 4.5
Google: Gemini 2.5 Flash Lite Preview 09-2025Runner-up
No community votes yet. On paper, Claude Opus 4.5 has the edge — bigger model tier, newer.
Too close to call
API pricing
Cost per 1M tokens
Claude Opus 4.5
Input
—
Output
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Google: Gemini 2.5 Flash Lite Preview 09-2025
Input
$0.10
Output
$0.40
Writing DNA
Style Comparison
Similarity
40%
Claude Opus 4.5 uses 15.2x more emoji
Claude Opus 4.5
Google: Gemini 2.5 Flash Lite Preview 09-2025
64%Vocabulary52%
55wSentence Length19w
0.86Hedging0.35
5.8Bold6.3
4.5Lists2.8
0.15Emoji0.00
1.59Headings0.74
0.05Transitions0.12
Based on 24 + 22 text responses
Research
What we learned reading every model
FAQ
