DeepSeek V3.1vsGemini 3.1 Pro Preview
DeepSeek V3.1 is cheaper than Gemini 3.1 Pro Preview at $0.2/M vs $2/M input tokens.
| Spec | DeepSeek V3.1 | Gemini 3.1 Pro Preview |
|---|---|---|
| Input price | $0.2/M tokens | $2/M tokens |
| Output price | $0.8/M tokens | $12/M tokens |
| Context window | 164K tokens | 1.0M tokens |
| Released | Aug 2025 | Feb 2026 |
| SWE-bench Verified | 66.0% | 80.6% |
Our Verdict
Gemini 3.1 Pro Preview
DeepSeek V3.1Runner-up
Not enough votes to call it. On the specs, Gemini 3.1 Pro Preview has the edge: newer, bigger context window.
DeepSeek V3.1 costs 15x less per token.
Too close to call
API pricing
Cost per 1M tokens
DeepSeek V3.1
Input
$0.20
10× cheaper
Output
$0.80
15× cheaper
Gemini 3.1 Pro Preview
Input
$2.00
Output
$12.00
DeepSeek V3.1 is cheaper on both — 10× input, 15× output
Writing DNA
Style Comparison
Similarity
70%
DeepSeek V3.1 uses 2.4x more emoji
DeepSeek V3.1
Gemini 3.1 Pro Preview
53%Vocabulary54%
14wSentence Length18w
0.42Hedging0.29
4.0Bold4.9
3.6Lists3.3
0.02Emoji0.00
0.40Headings0.72
0.22Transitions0.14
Based on 23 + 23 text responses
Research
What we learned reading every model
FAQ
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