GPT-3.5 Turbo vs Qwen: Qwen3.5 Plus 2026-04-20
Compare GPT-3.5 Turbo by OpenAI against Qwen: Qwen3.5 Plus 2026-04-20 by Qwen, context windows of 16K vs 1.0M, tested across 52 shared challenges.
Our Verdict
Qwen: Qwen3.5 Plus 2026-04-20
GPT-3.5 TurboRunner-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
GPT-3.5 Turbo
Input
$1.50
Output
$2.00
1.2× cheaper
Qwen: Qwen3.5 Plus 2026-04-20
Input
$0.40
3.8× cheaper
Output
$2.40
Qwen: Qwen3.5 Plus 2026-04-20 wins input (3.8× cheaper)·GPT-3.5 Turbo wins output (1.2× cheaper)
Writing DNA
Style Comparison
Similarity
43%
Qwen: Qwen3.5 Plus 2026-04-20 uses 440.8x more bold
GPT-3.5 Turbo
Qwen: Qwen3.5 Plus 2026-04-20
61%Vocabulary59%
16wSentence Length15w
0.23Hedging0.28
0.0Bold4.4
3.7Lists2.5
0.00Emoji1.53
0.00Headings0.76
0.38Transitions0.04
Based on 11 + 27 text responses
Research
What we learned reading every model
FAQ
