xAI: Grok 4 vs Qwen: Qwen3.5 Flash
Compare xAI: Grok 4 by xAI against Qwen: Qwen3.5 Flash by Qwen, context windows of 256K vs 1.0M, tested across 53 shared challenges.
Our Verdict
xAI: Grok 4
Qwen: Qwen3.5 Flash
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Qwen: Qwen3.5 Flash is 38x 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 Flash
Input
$0.10
30× cheaper
Output
$0.40
38× cheaper
Qwen: Qwen3.5 Flash is cheaper on both — 30× input, 38× output
Writing DNA
Style Comparison
Similarity
45%
Qwen: Qwen3.5 Flash uses 3.5x more transitions
xAI: Grok 4
Qwen: Qwen3.5 Flash
53%Vocabulary50%
18wSentence Length14w
0.67Hedging0.35
2.7Bold6.9
2.7Lists4.2
0.07Emoji0.03
0.86Headings1.00
0.04Transitions0.15
Based on 21 + 23 text responses
Research
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