Qwen3.5 9B vs Qwen: Qwen3.5 Plus 2026-02-15
Compare Qwen3.5 9B and Qwen: Qwen3.5 Plus 2026-02-15, both from Qwen, context windows of 262K vs 1.0M, tested across 51 shared challenges.
Our Verdict
Qwen: Qwen3.5 Plus 2026-02-15
Qwen3.5 9BRunner-up
No community votes yet. On paper, Qwen: Qwen3.5 Plus 2026-02-15 has the edge — bigger model tier, bigger context window.
Qwen3.5 9B is 16x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Qwen3.5 9B
Input
$0.10
4.0× cheaper
Output
$0.15
16× cheaper
Qwen: Qwen3.5 Plus 2026-02-15
Input
$0.40
Output
$2.40
Qwen3.5 9B is cheaper on both — 4.0× input, 16× output
Writing DNA
Style Comparison
Similarity
80%
Qwen: Qwen3.5 Plus 2026-02-15 uses 10.0x more emoji
Qwen3.5 9B
Qwen: Qwen3.5 Plus 2026-02-15
47%Vocabulary54%
15wSentence Length18w
0.41Hedging0.51
6.9Bold5.3
4.8Lists2.9
0.00Emoji0.10
0.91Headings0.75
0.12Transitions0.09
Based on 21 + 23 text responses
Research
What we learned reading every model
FAQ
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