DeepSeek V4 Flash 0731 vs xAI: Grok 4.3
Compare DeepSeek V4 Flash 0731 by DeepSeek against xAI: Grok 4.3 by xAI, context windows of 1.0M vs 1.0M, tested across 42 shared challenges.
Our Verdict
DeepSeek V4 Flash 0731
xAI: Grok 4.3
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
DeepSeek V4 Flash 0731 is 8.9x 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
8.9× cheaper
Output
$0.28
8.9× cheaper
xAI: Grok 4.3
Input
$1.25
Output
$2.50
DeepSeek V4 Flash 0731 is cheaper on both — 8.9× input, 8.9× output
Writing DNA
Style Comparison
Similarity
43%
xAI: Grok 4.3 uses 3.9x more transitions
DeepSeek V4 Flash 0731
xAI: Grok 4.3
52%Vocabulary62%
18wSentence Length16w
0.38Hedging0.46
5.7Bold2.3
3.4Lists2.5
0.00Emoji0.00
0.83Headings0.34
0.04Transitions0.14
Based on 23 + 27 text responses
Research
What we learned reading every model
FAQ
