Claude Sonnet 5 vs Google: Gemini 2.5 Flash Lite Preview 09-2025
Compare Claude Sonnet 5 by Anthropic against Google: Gemini 2.5 Flash Lite Preview 09-2025 by Google AI, context windows of 1.0M vs 1.0M, tested across 54 shared challenges.
Our Verdict
Claude Sonnet 5
Google: Gemini 2.5 Flash Lite Preview 09-2025
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Google: Gemini 2.5 Flash Lite Preview 09-2025 is 25x 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
Google: Gemini 2.5 Flash Lite Preview 09-2025
Input
$0.10
20× cheaper
Output
$0.40
25× cheaper
Google: Gemini 2.5 Flash Lite Preview 09-2025 is cheaper on both — 20× input, 25× output
Writing DNA
Style Comparison
Similarity
40%
Claude Sonnet 5 uses 79.4x more emoji
Claude Sonnet 5
Google: Gemini 2.5 Flash Lite Preview 09-2025
59%Vocabulary52%
35wSentence Length19w
0.53Hedging0.35
3.5Bold6.3
3.5Lists2.8
0.79Emoji0.00
1.25Headings0.74
0.06Transitions0.12
Based on 27 + 22 text responses
Research
What we learned reading every model
FAQ
