GPT-5.6 Luna Pro vs Qwen3.5 Plus 2026-04-20
Compare GPT-5.6 Luna Pro by OpenAI against Qwen3.5 Plus 2026-04-20 by Qwen, context windows of 1.1M vs 1.0M, tested across 52 shared challenges.
Our Verdict
GPT-5.6 Luna Pro
Qwen3.5 Plus 2026-04-20
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Too close to call
API pricing
Cost per 1M tokens
GPT-5.6 Luna Pro
Input
$1.00
Output
$6.00
Qwen3.5 Plus 2026-04-20
Input
$0.40
2.5× cheaper
Output
$2.40
2.5× cheaper
Qwen3.5 Plus 2026-04-20 is cheaper on both — 2.5× input, 2.5× output
Writing DNA
Style Comparison
Similarity
67%
GPT-5.6 Luna Pro uses 2.9x more hedging
GPT-5.6 Luna Pro
Qwen3.5 Plus 2026-04-20
58%Vocabulary59%
18wSentence Length15w
0.81Hedging0.28
2.9Bold4.4
5.1Lists2.5
0.54Emoji1.53
1.10Headings0.76
0.09Transitions0.04
Based on 27 + 27 text responses
Research
What we learned reading every model
FAQ
