ChatGPT-4o (March 2025) vs Google: Gemini 3.1 Flash Lite
Compare ChatGPT-4o (March 2025) by OpenAI against Google: Gemini 3.1 Flash Lite by Google AI, context windows of 128K vs 1.0M, tested across 32 shared challenges.
Our Verdict
ChatGPT-4o (March 2025)
Google: Gemini 3.1 Flash Lite
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Google: Gemini 3.1 Flash Lite is 10x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
ChatGPT-4o (March 2025)
Input
$5.00
Output
$15.00
Google: Gemini 3.1 Flash Lite
Input
$0.25
20× cheaper
Output
$1.50
10× cheaper
Google: Gemini 3.1 Flash Lite is cheaper on both — 20× input, 10× output
Writing DNA
Style Comparison
Similarity
41%
ChatGPT-4o (March 2025) uses 94.5x more emoji
ChatGPT-4o (March 2025)
Google: Gemini 3.1 Flash Lite
55%Vocabulary59%
24wSentence Length17w
0.52Hedging0.29
3.3Bold5.5
6.0Lists3.3
0.94Emoji0.00
0.63Headings0.93
0.05Transitions0.11
Based on 15 + 27 text responses
Research
What we learned reading every model
FAQ
