Gemini 2.5 Flash Lite Preview 06-17 vs GPT-5.5
Compare Gemini 2.5 Flash Lite Preview 06-17 by Google AI against GPT-5.5 by OpenAI, context windows of 1.0M vs 1.1M, tested across 11 shared challenges.
Our Verdict
GPT-5.5
Gemini 2.5 Flash Lite Preview 06-17Runner-up
No community votes yet. On paper, GPT-5.5 has the edge — bigger model tier, newer.
Gemini 2.5 Flash Lite Preview 06-17 is 75x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Gemini 2.5 Flash Lite Preview 06-17
Input
$0.10
50× cheaper
Output
$0.40
75× cheaper
GPT-5.5
Input
$5.00
Output
$30.00
Gemini 2.5 Flash Lite Preview 06-17 is cheaper on both — 50× input, 75× output
Writing DNA
Style Comparison
Similarity
43%
GPT-5.5 uses 3.4x more transitions
Gemini 2.5 Flash Lite Preview 06-17
GPT-5.5
61%Vocabulary58%
10wSentence Length18w
0.12Hedging0.74
1.9Bold2.9
4.2Lists5.1
0.00Emoji0.00
0.05Headings1.68
0.00Transitions0.03
Based on 3 + 26 text responses
Research
What we learned reading every model
FAQ
