Grok Code Fast 1 vs Qwen: Qwen3.5 Plus 2026-04-20
Compare Grok Code Fast 1 by xAI against Qwen: Qwen3.5 Plus 2026-04-20 by Qwen, context windows of 256K vs 1.0M, tested across 52 shared challenges.
Our Verdict
Qwen: Qwen3.5 Plus 2026-04-20
Grok Code Fast 1Runner-up
No community votes yet. On paper, Qwen: Qwen3.5 Plus 2026-04-20 has the edge — bigger model tier, newer, bigger context window.
Too close to call
API pricing
Cost per 1M tokens
Grok Code Fast 1
Input
$0.20
2.0× cheaper
Output
$1.50
1.6× cheaper
Qwen: Qwen3.5 Plus 2026-04-20
Input
$0.40
Output
$2.40
Grok Code Fast 1 is cheaper on both — 2.0× input, 1.6× output
Writing DNA
Style Comparison
Similarity
50%
Qwen: Qwen3.5 Plus 2026-04-20 uses 25.7x more emoji
Grok Code Fast 1
Qwen: Qwen3.5 Plus 2026-04-20
60%Vocabulary59%
17wSentence Length15w
0.97Hedging0.28
2.8Bold4.4
2.5Lists2.5
0.06Emoji1.53
0.89Headings0.76
0.11Transitions0.04
Based on 23 + 27 text responses
Research
What we learned reading every model
FAQ
