DeepSeek V4 Flash 0731 vs GPT-4o mini
Compare DeepSeek V4 Flash 0731 by DeepSeek against GPT-4o mini by OpenAI, context windows of 1.0M vs 128K, tested across 42 shared challenges.
Our Verdict
DeepSeek V4 Flash 0731
GPT-4o miniRunner-up
No community votes yet. On paper, DeepSeek V4 Flash 0731 has the edge — bigger model tier, newer, bigger context window.
Slight edge
API pricing
Cost per 1M tokens
DeepSeek V4 Flash 0731
Input
$0.14
1.1× cheaper
Output
$0.28
2.1× cheaper
GPT-4o mini
Input
$0.15
Output
$0.60
DeepSeek V4 Flash 0731 is cheaper on both — 1.1× input, 2.1× output
Writing DNA
Style Comparison
Similarity
47%
GPT-4o mini uses 6.3x more transitions
DeepSeek V4 Flash 0731
GPT-4o mini
52%Vocabulary54%
18wSentence Length18w
0.38Hedging0.84
5.7Bold3.8
3.4Lists3.3
0.00Emoji0.00
0.83Headings1.03
0.04Transitions0.23
Based on 23 + 22 text responses
Research
What we learned reading every model
FAQ
