Gemini 3.1 Pro Preview vs Qwen: Qwen3.5 Plus 2026-02-15
Compare Gemini 3.1 Pro Preview by Google AI against Qwen: Qwen3.5 Plus 2026-02-15 by Qwen, in 10 community votes, gemini 3.1 pro preview wins 86% of head-to-head duels, context windows of 1.0M vs 1.0M, tested across 53 shared challenges.
Image Generation: Gemini 3.1 Pro Preview wins 100% of votes
Reasoning: Gemini 3.1 Pro Preview wins 100% of votes
Our Verdict
Gemini 3.1 Pro PreviewWinner
Qwen: Qwen3.5 Plus 2026-02-15Runner-up
Pick Gemini 3.1 Pro Preview. In 10 blind votes, Gemini 3.1 Pro Preview wins 86% of the time. That's not luck.
Gemini 3.1 Pro Preview particularly excels in Image Generation, Reasoning. Qwen: Qwen3.5 Plus 2026-02-15 is 5.0x cheaper per token — worth considering if cost matters.
Clear winner
API pricing
Cost per 1M tokens
Gemini 3.1 Pro Preview
Input
$2.00
Output
$12.00
Qwen: Qwen3.5 Plus 2026-02-15
Input
$0.40
5.0× cheaper
Output
$2.40
5.0× cheaper
Qwen: Qwen3.5 Plus 2026-02-15 is cheaper on both — 5.0× input, 5.0× output
Writing DNA
Style Comparison
Similarity
77%
Qwen: Qwen3.5 Plus 2026-02-15 uses 10.0x more emoji
Gemini 3.1 Pro Preview
Qwen: Qwen3.5 Plus 2026-02-15
54%Vocabulary54%
18wSentence Length18w
0.29Hedging0.51
4.9Bold5.3
3.3Lists2.9
0.00Emoji0.10
0.72Headings0.75
0.14Transitions0.09
Based on 23 + 23 text responses
Research
What we learned reading every model
FAQ
