DeepSeek V4 Flash 0731 vs xAI: Grok 4
Compare DeepSeek V4 Flash 0731 by DeepSeek against xAI: Grok 4 by xAI, context windows of 1.0M vs 256K, tested across 42 shared challenges.
Our Verdict
DeepSeek V4 Flash 0731
xAI: Grok 4Runner-up
No community votes yet. On paper, DeepSeek V4 Flash 0731 has the edge — newer, bigger context window.
DeepSeek V4 Flash 0731 is 54x 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
21× cheaper
Output
$0.28
54× cheaper
xAI: Grok 4
Input
$3.00
Output
$15.00
DeepSeek V4 Flash 0731 is cheaper on both — 21× input, 54× output
Writing DNA
Style Comparison
Similarity
51%
xAI: Grok 4 uses 7.0x more emoji
DeepSeek V4 Flash 0731
xAI: Grok 4
52%Vocabulary53%
18wSentence Length18w
0.38Hedging0.67
5.7Bold2.7
3.4Lists2.7
0.00Emoji0.07
0.83Headings0.86
0.04Transitions0.04
Based on 23 + 21 text responses
Research
What we learned reading every model
FAQ
