DeepSeek V4 Pro vs Grok Code Fast 1
Compare DeepSeek V4 Pro by DeepSeek against Grok Code Fast 1 by xAI, context windows of 1.0M vs 256K, tested across 54 shared challenges.
Our Verdict
DeepSeek V4 Pro
Grok Code Fast 1Runner-up
No community votes yet. On paper, DeepSeek V4 Pro has the edge — bigger model tier, newer, bigger context window.
Slight edge
API pricing
Cost per 1M tokens
DeepSeek V4 Pro
Input
$1.74
Output
$3.48
Grok Code Fast 1
Input
$0.20
8.7× cheaper
Output
$1.50
2.3× cheaper
Grok Code Fast 1 is cheaper on both — 8.7× input, 2.3× output
Writing DNA
Style Comparison
Similarity
67%
Grok Code Fast 1 uses 2.0x more headings
DeepSeek V4 Pro
Grok Code Fast 1
57%Vocabulary60%
18wSentence Length17w
0.52Hedging0.97
3.3Bold2.8
2.3Lists2.5
0.04Emoji0.06
0.45Headings0.89
0.15Transitions0.11
Based on 27 + 23 text responses
Research
What we learned reading every model
FAQ
