DeepSeek V3.1 vs xAI: Grok 4.5
Compare DeepSeek V3.1 by DeepSeek against xAI: Grok 4.5 by xAI, context windows of 164K vs 500K, tested across 53 shared challenges.
Our Verdict
DeepSeek V3.1
xAI: 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 V3.1 is 7.5x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
DeepSeek V3.1
Input
$0.20
10× cheaper
Output
$0.80
7.5× cheaper
xAI: Grok 4.5
Input
$2.00
Output
$6.00
DeepSeek V3.1 is cheaper on both — 10× input, 7.5× output
Writing DNA
Style Comparison
Similarity
44%
DeepSeek V3.1 uses 3.9x more transitions
DeepSeek V3.1
xAI: Grok 4.5
53%Vocabulary61%
14wSentence Length16w
0.42Hedging0.23
4.0Bold2.5
3.6Lists2.4
0.02Emoji0.09
0.40Headings0.48
0.22Transitions0.06
Based on 23 + 27 text responses
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