Google: Gemini 2.5 Flash Lite Preview 09-2025 vs GPT-4o (Omni)
Compare Google: Gemini 2.5 Flash Lite Preview 09-2025 by Google AI against GPT-4o (Omni) by OpenAI, context windows of 1.0M vs 128K, tested across 54 shared challenges.
Our Verdict
Google: Gemini 2.5 Flash Lite Preview 09-2025
GPT-4o (Omni)
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
Google: Gemini 2.5 Flash Lite Preview 09-2025
Input
$0.10
25× cheaper
Output
$0.40
25× cheaper
GPT-4o (Omni)
Input
$2.50
Output
$10.00
Google: Gemini 2.5 Flash Lite Preview 09-2025 is cheaper on both — 25× input, 25× output
Writing DNA
Style Comparison
Similarity
64%
GPT-4o (Omni) uses 2.5x more emoji
Google: Gemini 2.5 Flash Lite Preview 09-2025
GPT-4o (Omni)
52%Vocabulary54%
19wSentence Length18w
0.35Hedging0.72
6.3Bold7.3
2.8Lists5.6
0.00Emoji0.03
0.74Headings1.40
0.12Transitions0.26
Based on 22 + 24 text responses
Research
What we learned reading every model
FAQ
