xAI: Grok 4 vs Qwen: Qwen3.5 397B A17B
Compare xAI: Grok 4 by xAI against Qwen: Qwen3.5 397B A17B by Qwen, context windows of 256K vs 262K, tested across 53 shared challenges.
Our Verdict
Qwen: Qwen3.5 397B A17B
xAI: Grok 4Runner-up
No community votes yet. On paper, Qwen: Qwen3.5 397B A17B has the edge — bigger model tier, newer.
Qwen: Qwen3.5 397B A17B is 4.2x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
xAI: Grok 4
Input
$3.00
Output
$15.00
Qwen: Qwen3.5 397B A17B
Input
$0.60
5.0× cheaper
Output
$3.60
4.2× cheaper
Qwen: Qwen3.5 397B A17B is cheaper on both — 5.0× input, 4.2× output
Writing DNA
Style Comparison
Similarity
36%
Qwen: Qwen3.5 397B A17B uses 3.9x more transitions
xAI: Grok 4
Qwen: Qwen3.5 397B A17B
53%Vocabulary54%
18wSentence Length14w
0.67Hedging0.39
2.7Bold6.9
2.7Lists4.2
0.07Emoji0.23
0.86Headings0.93
0.04Transitions0.17
Based on 21 + 23 text responses
Research
What we learned reading every model
FAQ
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