Qwen Plus 0728 (thinking) vs Qwen: Qwen3.5 Plus 2026-02-15
Compare Qwen Plus 0728 (thinking) and Qwen: Qwen3.5 Plus 2026-02-15, both from Qwen, context windows of 1.0M vs 1.0M, tested across 37 shared challenges.
Our Verdict
Qwen: Qwen3.5 Plus 2026-02-15
Qwen Plus 0728 (thinking)Runner-up
No community votes yet. On paper, Qwen: Qwen3.5 Plus 2026-02-15 has the edge — bigger model tier, newer.
Too close to call
API pricing
Cost per 1M tokens
Qwen Plus 0728 (thinking)
Input
$0.40
Output
$4.00
Qwen: Qwen3.5 Plus 2026-02-15
Input
$0.40
Output
$2.40
1.7× cheaper
Writing DNA
Style Comparison
Similarity
51%
Qwen Plus 0728 (thinking) uses 3.4x more emoji
Qwen Plus 0728 (thinking)
Qwen: Qwen3.5 Plus 2026-02-15
54%Vocabulary54%
15wSentence Length18w
0.36Hedging0.51
7.0Bold5.3
4.6Lists2.9
0.34Emoji0.10
0.94Headings0.75
0.09Transitions0.09
Based on 18 + 23 text responses
Research
What we learned reading every model
FAQ
