OpenAI: GPT-5.6 Sol vs Qwen: Qwen3.5 Plus 2026-04-20
Compare OpenAI: GPT-5.6 Sol by OpenAI against Qwen: Qwen3.5 Plus 2026-04-20 by Qwen, context windows of 1.1M vs 1.0M, tested across 52 shared challenges.
Our Verdict
OpenAI: GPT-5.6 Sol
Qwen: Qwen3.5 Plus 2026-04-20Runner-up
No community votes yet. On paper, OpenAI: GPT-5.6 Sol has the edge — newer, major provider backing.
Qwen: Qwen3.5 Plus 2026-04-20 is 13x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
OpenAI: GPT-5.6 Sol
Input
$5.00
Output
$30.00
Qwen: Qwen3.5 Plus 2026-04-20
Input
$0.40
13× cheaper
Output
$2.40
13× cheaper
Qwen: Qwen3.5 Plus 2026-04-20 is cheaper on both — 13× input, 13× output
Writing DNA
Style Comparison
Similarity
53%
Qwen: Qwen3.5 Plus 2026-04-20 uses 46.6x more emoji
OpenAI: GPT-5.6 Sol
Qwen: Qwen3.5 Plus 2026-04-20
63%Vocabulary59%
15wSentence Length15w
0.79Hedging0.28
3.4Bold4.4
3.8Lists2.5
0.03Emoji1.53
0.95Headings0.76
0.08Transitions0.04
Based on 27 + 27 text responses
Research
What we learned reading every model
FAQ
