Claude Opus 4 vs Gemini 2.5 Flash Lite Preview 06-17
Compare Claude Opus 4 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
Gemini 2.5 Flash Lite Preview 06-17
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 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
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
37%
Claude Opus 4 uses 11.2x more emoji
Claude Opus 4
Gemini 2.5 Flash Lite Preview 06-17
64%Vocabulary61%
62wSentence Length10w
0.52Hedging0.12
4.4Bold1.9
9.1Lists4.2
0.11Emoji0.00
1.87Headings0.05
0.27Transitions0.00
Based on 16 + 3 text responses
Research
What we learned reading every model
FAQ
