DeepSeek V4 Flash 0731 vs Gemini 2.5 Flash Preview 05-20 (thinking)
Compare DeepSeek V4 Flash 0731 by DeepSeek against Gemini 2.5 Flash Preview 05-20 (thinking) by Google AI, context windows of 1.0M vs 1.0M, tested across 8 shared challenges.
Our Verdict
DeepSeek V4 Flash 0731
Gemini 2.5 Flash Preview 05-20 (thinking)Runner-up
No community votes yet. On paper, DeepSeek V4 Flash 0731 has the edge — bigger model tier, newer.
DeepSeek V4 Flash 0731 is 12x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
DeepSeek V4 Flash 0731
Input
$0.14
1.1× cheaper
Output
$0.28
12× cheaper
Gemini 2.5 Flash Preview 05-20 (thinking)
Input
$0.15
Output
$3.50
DeepSeek V4 Flash 0731 is cheaper on both — 1.1× input, 12× output
Writing DNA
Style Comparison
Similarity
49%
DeepSeek V4 Flash 0731 uses 37.7x more hedging
DeepSeek V4 Flash 0731
Gemini 2.5 Flash Preview 05-20 (thinking)
52%Vocabulary70%
18wSentence Length11w
0.38Hedging0.00
5.7Bold4.2
3.4Lists7.3
0.00Emoji0.00
0.83Headings0.00
0.04Transitions0.00
Based on 23 + 3 text responses
Research
What we learned reading every model
FAQ
