Grok 4.20 Beta vs Qwen3.5 9B
Compare Grok 4.20 Beta by xAI against Qwen3.5 9B by Qwen, context windows of 2.0M vs 262K, tested across 51 shared challenges.
Our Verdict
Grok 4.20 Beta
Qwen3.5 9BRunner-up
No community votes yet. On paper, Grok 4.20 Beta has the edge — bigger model tier, bigger context window, major provider backing.
Qwen3.5 9B is 40x cheaper per token — worth considering if cost matters.
Slight edge
API pricing
Cost per 1M tokens
Grok 4.20 Beta
Input
$2.00
Output
$6.00
Qwen3.5 9B
Input
$0.10
20× cheaper
Output
$0.15
40× cheaper
Qwen3.5 9B is cheaper on both — 20× input, 40× output
Writing DNA
Style Comparison
Similarity
58%
Qwen3.5 9B uses 1.6x more bold
Grok 4.20 Beta
Qwen3.5 9B
57%Vocabulary47%
20wSentence Length15w
0.35Hedging0.41
4.2Bold6.9
3.7Lists4.8
0.00Emoji0.00
0.62Headings0.91
0.14Transitions0.12
Based on 23 + 21 text responses
Research
What we learned reading every model
FAQ
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