Qwen3.5 9B vs Sonar Pro Search
Compare Qwen3.5 9B by Qwen against Sonar Pro Search by Perplexity, context windows of 262K vs 200K, tested across 50 shared challenges.
Our Verdict
Qwen3.5 9B
Sonar Pro Search
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Qwen3.5 9B is 100x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Qwen3.5 9B
Input
$0.10
30× cheaper
Output
$0.15
100× cheaper
Sonar Pro Search
Input
$3.00
Output
$15.00
Qwen3.5 9B is cheaper on both — 30× input, 100× output
Writing DNA
Style Comparison
Similarity
37%
Qwen3.5 9B uses 2.6x more bold
Qwen3.5 9B
Sonar Pro Search
47%Vocabulary60%
15wSentence Length22w
0.41Hedging0.30
6.9Bold2.7
4.8Lists2.6
0.00Emoji0.00
0.91Headings2.08
0.12Transitions0.07
Based on 21 + 25 text responses
Research
What we learned reading every model
FAQ
