Gemini 2.5 Flash Preview 09-2025vsQwen3.5 Plus 2026-02-15
Gemini 2.5 Flash Preview 09-2025 is cheaper than Qwen3.5 Plus 2026-02-15 at $0.3/M vs $0.4/M input tokens.
| Spec | Gemini 2.5 Flash Preview 09-2025 | Qwen3.5 Plus 2026-02-15 |
|---|---|---|
| Input price | $0.3/M tokens | $0.4/M tokens |
| Output price | $2.5/M tokens | $2.4/M tokens |
| Context window | 1.0M tokens | 1.0M tokens |
| Released | Sep 2025 | Feb 2026 |
Our Verdict
Gemini 2.5 Flash Preview 09-2025
Qwen3.5 Plus 2026-02-15
Not enough votes to call it. On the specs, nothing separates them.
Too close to call
API pricing
Cost per 1M tokens
Gemini 2.5 Flash Preview 09-2025
Input
$0.30
1.3× cheaper
Output
$2.50
Qwen3.5 Plus 2026-02-15
Input
$0.40
Output
$2.40
Gemini 2.5 Flash Preview 09-2025 wins input (1.3× cheaper)·Qwen3.5 Plus 2026-02-15
Writing DNA
Style Comparison
Similarity
50%
Gemini 2.5 Flash Preview 09-2025 uses 2.3x more transitions
Gemini 2.5 Flash Preview 09-2025
Qwen3.5 Plus 2026-02-15
53%Vocabulary54%
19wSentence Length18w
0.30Hedging0.51
5.8Bold5.3
3.1Lists2.9
0.14Emoji0.10
0.93Headings0.75
0.22Transitions0.09
Based on 22 + 23 text responses
Research
What we learned reading every model
FAQ
Common questions
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