Gemini 2.5 Flash Preview vs GPT-4.1
Compare Gemini 2.5 Flash Preview by Google AI against GPT-4.1 by OpenAI, in 200 community votes, gpt-4.1 wins 62% of head-to-head duels, context windows of 1.0M vs 1.0M, tested across 27 shared challenges.
Reasoning: GPT-4.1 wins 66% of votes
Image Generation: GPT-4.1 wins 68% of votes
Web Design: GPT-4.1 wins 65% of votes
Conversation: Gemini 2.5 Flash Preview wins 71% of votes
Analysis: Gemini 2.5 Flash Preview and GPT-4.1 are tied
Our Verdict
GPT-4.1Winner
Gemini 2.5 Flash PreviewRunner-up
Pick GPT-4.1. In 200 blind votes, GPT-4.1 wins 62% of the time. That's not luck.
Pick Gemini 2.5 Flash Preview for Conversation. Pick GPT-4.1 for Image Generation, Reasoning, Web Design. Gemini 2.5 Flash Preview is 13x cheaper per token — worth considering if cost matters.
Clear winner
API pricing
Cost per 1M tokens
Gemini 2.5 Flash Preview
Input
$0.15
13× cheaper
Output
$0.60
13× cheaper
GPT-4.1
Input
$2.00
Output
$8.00
Gemini 2.5 Flash Preview is cheaper on both — 13× input, 13× output
Writing DNA
Style Comparison
Similarity
35%
GPT-4.1 uses 23.7x more emoji
Gemini 2.5 Flash Preview
GPT-4.1
51%Vocabulary58%
15wSentence Length19w
0.70Hedging0.38
4.1Bold9.0
3.3Lists6.1
0.00Emoji0.24
0.09Headings1.01
0.24Transitions0.07
Based on 12 + 25 text responses
Research
What we learned reading every model
FAQ
