xAI: Grok 4.5 vs Qwen: Qwen3.5 Flash
Compare xAI: Grok 4.5 by xAI against Qwen: Qwen3.5 Flash by Qwen, context windows of 500K vs 1.0M, tested across 53 shared challenges.
Our Verdict
xAI: Grok 4.5
Qwen: Qwen3.5 FlashRunner-up
No community votes yet. On paper, xAI: Grok 4.5 has the edge — bigger model tier, newer, major provider backing.
Qwen: Qwen3.5 Flash is 15x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
xAI: Grok 4.5
Input
$2.00
Output
$6.00
Qwen: Qwen3.5 Flash
Input
$0.10
20× cheaper
Output
$0.40
15× cheaper
Qwen: Qwen3.5 Flash is cheaper on both — 20× input, 15× output
Writing DNA
Style Comparison
Similarity
37%
xAI: Grok 4.5 uses 3.5x more emoji
xAI: Grok 4.5
Qwen: Qwen3.5 Flash
61%Vocabulary50%
16wSentence Length14w
0.23Hedging0.35
2.5Bold6.9
2.4Lists4.2
0.09Emoji0.03
0.48Headings1.00
0.06Transitions0.15
Based on 27 + 23 text responses
Research
What we learned reading every model
FAQ
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