Gemini 3.1 Pro PreviewvsQwen3.5 Plus 2026-02-15
Qwen3.5 Plus 2026-02-15 is cheaper than Gemini 3.1 Pro Preview at $0.4/M vs $2/M input tokens.
| Spec | Gemini 3.1 Pro Preview | Qwen3.5 Plus 2026-02-15 |
|---|---|---|
| Input price | $2/M tokens | $0.4/M tokens |
| Output price | $12/M tokens | $2.4/M tokens |
| Context window | 1.0M tokens | 1.0M tokens |
| Released | Feb 2026 | Feb 2026 |
| GPQA Diamond | 94.3% | 88.4% |
Our Verdict
Gemini 3.1 Pro Preview
Qwen3.5 Plus 2026-02-15Runner-up
Not enough votes to call it. On the specs, Gemini 3.1 Pro Preview has the edge: major provider backing.
Gemini 3.1 Pro Preview wins Image Generation and Reasoning. Qwen3.5 Plus 2026-02-15 costs 5.0x less per token.
Too close to call
API pricing
Cost per 1M tokens
Gemini 3.1 Pro Preview
Input
$2.00
Output
$12.00
Qwen3.5 Plus 2026-02-15
Input
$0.40
5.0× cheaper
Output
$2.40
5.0× cheaper
Qwen3.5 Plus 2026-02-15 is cheaper on both — 5.0× input, 5.0× output
Writing DNA
Style Comparison
Similarity
76%
Qwen3.5 Plus 2026-02-15 uses 10.0x more emoji
Gemini 3.1 Pro Preview
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
Common questions
Keep exploring
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