ChatGPT-4o (March 2025) vs Qwen: Qwen3.6 27B
Compare ChatGPT-4o (March 2025) by OpenAI against Qwen: Qwen3.6 27B by Qwen, context windows of 128K vs 256K, tested across 31 shared challenges.
Our Verdict
ChatGPT-4o (March 2025)
Qwen: Qwen3.6 27B
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Qwen: Qwen3.6 27B is 4.6x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
ChatGPT-4o (March 2025)
Input
$5.00
Output
$15.00
Qwen: Qwen3.6 27B
Input
$0.33
15× cheaper
Output
$3.25
4.6× cheaper
Qwen: Qwen3.6 27B is cheaper on both — 15× input, 4.6× output
Writing DNA
Style Comparison
Similarity
65%
ChatGPT-4o (March 2025) uses 2.8x more lists
ChatGPT-4o (March 2025)
Qwen: Qwen3.6 27B
55%Vocabulary62%
24wSentence Length16w
0.52Hedging0.28
3.3Bold4.3
6.0Lists2.1
0.94Emoji1.54
0.63Headings0.68
0.05Transitions0.05
Based on 15 + 25 text responses
Research
What we learned reading every model
FAQ
