Gemini 2.5 Flash Preview 05-20 (thinking) vs Qwen: Qwen3.5 27B
Compare Gemini 2.5 Flash Preview 05-20 (thinking) by Google AI against Qwen: Qwen3.5 27B by Qwen, context windows of 1.0M vs 262K, tested across 11 shared challenges.
Our Verdict
Gemini 2.5 Flash Preview 05-20 (thinking)
Qwen: Qwen3.5 27B
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Too close to call
API pricing
Cost per 1M tokens
Gemini 2.5 Flash Preview 05-20 (thinking)
Input
$0.15
2.0× cheaper
Output
$3.50
Qwen: Qwen3.5 27B
Input
$0.30
Output
$2.40
1.5× cheaper
Gemini 2.5 Flash Preview 05-20 (thinking) wins input (2.0× cheaper)·Qwen: Qwen3.5 27B wins output (1.5× cheaper)
Writing DNA
Style Comparison
Similarity
40%
Qwen: Qwen3.5 27B uses 31.6x more hedging
Gemini 2.5 Flash Preview 05-20 (thinking)
Qwen: Qwen3.5 27B
70%Vocabulary51%
11wSentence Length15w
0.00Hedging0.32
4.2Bold7.3
7.3Lists4.8
0.00Emoji0.01
0.00Headings0.87
0.00Transitions0.19
Based on 3 + 23 text responses
Research
What we learned reading every model
FAQ
