Gemini 2.5 Flash Preview vs GPT-5 Mini
Compare Gemini 2.5 Flash Preview by Google AI against GPT-5 Mini by OpenAI, in 13 community votes, gpt-5 mini wins 100% of head-to-head duels, tested across 27 shared challenges.
Reasoning: GPT-5 Mini wins 100% of votes
Image Generation: GPT-5 Mini wins 100% of votes
Our Verdict
GPT-5 MiniWinner
Gemini 2.5 Flash PreviewRunner-up
Pick GPT-5 Mini. In 13 blind votes, GPT-5 Mini wins 100% of the time. That's not luck.
GPT-5 Mini particularly excels in Reasoning, Image Generation. Gemini 2.5 Flash Preview is 3.3x cheaper per token — worth considering if cost matters.
Clear winner
API pricing
Cost per 1M tokens
Gemini 2.5 Flash Preview
Input
$0.15
1.7× cheaper
Output
$0.60
3.3× cheaper
GPT-5 Mini
Input
$0.25
Output
$2.00
Gemini 2.5 Flash Preview is cheaper on both — 1.7× input, 3.3× output
Writing DNA
Style Comparison
Similarity
36%
Gemini 2.5 Flash Preview uses 407.5x more bold
Gemini 2.5 Flash Preview
GPT-5 Mini
51%Vocabulary62%
15wSentence Length21w
0.70Hedging0.16
4.1Bold0.0
3.3Lists3.4
0.00Emoji0.00
0.09Headings0.00
0.24Transitions0.05
Based on 12 + 15 text responses
Research
What we learned reading every model
FAQ
Common questions
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