DeepSeek V4 Flash vs Qwen: Qwen3.5 27B
Compare DeepSeek V4 Flash by DeepSeek against Qwen: Qwen3.5 27B by Qwen, context windows of 1.0M vs 262K, tested across 53 shared challenges.
Our Verdict
DeepSeek V4 Flash
Qwen: Qwen3.5 27BRunner-up
No community votes yet. On paper, DeepSeek V4 Flash has the edge — bigger model tier, newer, bigger context window, major provider backing.
DeepSeek V4 Flash is 8.6x cheaper per token — worth considering if cost matters.
Slight edge
API pricing
Cost per 1M tokens
DeepSeek V4 Flash
Input
$0.14
2.1× cheaper
Output
$0.28
8.6× cheaper
Qwen: Qwen3.5 27B
Input
$0.30
Output
$2.40
DeepSeek V4 Flash is cheaper on both — 2.1× input, 8.6× output
Writing DNA
Style Comparison
Similarity
56%
DeepSeek V4 Flash
Qwen: Qwen3.5 27B
54%Vocabulary51%
17wSentence Length15w
0.52Hedging0.32
3.6Bold7.3
2.6Lists4.8
0.00Emoji0.01
0.41Headings0.87
0.19Transitions0.19
Based on 27 + 23 text responses
Research
What we learned reading every model
FAQ
