Claude Opus 4.1 vs Gemini 2.5 Flash Lite Preview 06-17
Compare Claude Opus 4.1 by Anthropic against Gemini 2.5 Flash Lite Preview 06-17 by Google AI, context windows of 200K vs 1.0M, tested across 11 shared challenges.
Our Verdict
Claude Opus 4.1
Gemini 2.5 Flash Lite Preview 06-17Runner-up
No community votes yet. On paper, Claude Opus 4.1 has the edge — bigger model tier, newer.
Gemini 2.5 Flash Lite Preview 06-17 is 188x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Claude Opus 4.1
Input
$15.00
Output
$75.00
Gemini 2.5 Flash Lite Preview 06-17
Input
$0.10
150× cheaper
Output
$0.40
188× cheaper
Gemini 2.5 Flash Lite Preview 06-17 is cheaper on both — 150× input, 188× output
Writing DNA
Style Comparison
Similarity
38%
Claude Opus 4.1 uses 38.4x more emoji
Claude Opus 4.1
Gemini 2.5 Flash Lite Preview 06-17
61%Vocabulary61%
87wSentence Length10w
0.54Hedging0.12
5.1Bold1.9
6.7Lists4.2
0.38Emoji0.00
1.68Headings0.05
0.13Transitions0.00
Based on 17 + 3 text responses
Research
What we learned reading every model
FAQ
