DeepSeek V4 Flash 0731 vs Qwen: Qwen3.5 397B A17B
Compare DeepSeek V4 Flash 0731 by DeepSeek against Qwen: Qwen3.5 397B A17B by Qwen, context windows of 1.0M vs 262K, tested across 42 shared challenges.
Our Verdict
DeepSeek V4 Flash 0731
Qwen: Qwen3.5 397B A17B
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
DeepSeek V4 Flash 0731 is 13x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
DeepSeek V4 Flash 0731
Input
$0.14
4.3× cheaper
Output
$0.28
13× cheaper
Qwen: Qwen3.5 397B A17B
Input
$0.60
Output
$3.60
DeepSeek V4 Flash 0731 is cheaper on both — 4.3× input, 13× output
Writing DNA
Style Comparison
Similarity
67%
Qwen: Qwen3.5 397B A17B uses 22.8x more emoji
DeepSeek V4 Flash 0731
Qwen: Qwen3.5 397B A17B
52%Vocabulary54%
18wSentence Length14w
0.38Hedging0.39
5.7Bold6.9
3.4Lists4.2
0.00Emoji0.23
0.83Headings0.93
0.04Transitions0.17
Based on 23 + 23 text responses
Research
What we learned reading every model
FAQ
