DeepSeek V4 Flash 0731 vs Grok 4.5
Compare DeepSeek V4 Flash 0731 by DeepSeek against Grok 4.5 by xAI, context windows of 1.0M vs 500K, tested across 42 shared challenges.
Our Verdict
DeepSeek V4 Flash 0731
Grok 4.5
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 21x 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
14× cheaper
Output
$0.28
21× cheaper
Grok 4.5
Input
$2.00
Output
$6.00
DeepSeek V4 Flash 0731 is cheaper on both — 14× input, 21× output
Writing DNA
Style Comparison
Similarity
41%
Grok 4.5 uses 9.0x more emoji
DeepSeek V4 Flash 0731
Grok 4.5
52%Vocabulary61%
18wSentence Length16w
0.38Hedging0.23
5.7Bold2.5
3.4Lists2.4
0.00Emoji0.09
0.83Headings0.48
0.04Transitions0.06
Based on 23 + 27 text responses
Research
What we learned reading every model
FAQ
