DeepSeek V3 (March 2024) vs Qwen: Qwen3.5 Plus 2026-04-20
Compare DeepSeek V3 (March 2024) by DeepSeek against Qwen: Qwen3.5 Plus 2026-04-20 by Qwen, context windows of 128K vs 1.0M, tested across 52 shared challenges.
Our Verdict
DeepSeek V3 (March 2024)
Qwen: Qwen3.5 Plus 2026-04-20
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
DeepSeek V3 (March 2024) is 8.6x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
DeepSeek V3 (March 2024)
Input
$0.14
2.9× cheaper
Output
$0.28
8.6× cheaper
Qwen: Qwen3.5 Plus 2026-04-20
Input
$0.40
Output
$2.40
DeepSeek V3 (March 2024) is cheaper on both — 2.9× input, 8.6× output
Writing DNA
Style Comparison
Similarity
44%
Qwen: Qwen3.5 Plus 2026-04-20 uses 6.0x more emoji
DeepSeek V3 (March 2024)
Qwen: Qwen3.5 Plus 2026-04-20
58%Vocabulary59%
18wSentence Length15w
0.73Hedging0.28
7.5Bold4.4
7.6Lists2.5
0.26Emoji1.53
1.60Headings0.76
0.08Transitions0.04
Based on 16 + 27 text responses
Research
What we learned reading every model
FAQ
