DeepSeek R1 0528vsGemini 3.1 Pro Preview
DeepSeek R1 0528 is cheaper than Gemini 3.1 Pro Preview at $0/M vs $2/M input tokens.
| Spec | DeepSeek R1 0528 | Gemini 3.1 Pro Preview |
|---|---|---|
| Input price | Free | $2/M tokens |
| Output price | Free | $12/M tokens |
| Context window | 164K tokens | 1.0M tokens |
| Weights | Open | Closed |
| Free API (OpenRouter) | No | No |
| Released | May 2025 | Feb 2026 |
| SWE-bench Verified | 57.6% | 80.6% |
Our Verdict
Gemini 3.1 Pro Preview
DeepSeek R1 0528Runner-up
Not enough votes to call it. On the specs, Gemini 3.1 Pro Preview has the edge: newer, bigger context window.
Too close to call
API pricing
Cost per 1M tokens
DeepSeek R1 0528
Input
$0.000
Output
$0.000
Gemini 3.1 Pro Preview
Input
$2.00
Output
$12.00
Where to run it
6 hosts, cheapest first
Gemini 3.1 Pro Preview2 hosts
Per million tokens. Prices and uptime via OpenRouter, checked 9 Sep 2026.
Writing DNA
Style Comparison
Similarity
50%
DeepSeek R1 0528 uses 82.1x more emoji
DeepSeek R1 0528
Gemini 3.1 Pro Preview
59%Vocabulary54%
14wSentence Length18w
0.47Hedging0.29
5.1Bold4.9
3.6Lists3.3
0.82Emoji0.00
0.25Headings0.72
0.24Transitions0.14
Based on 20 + 23 text responses
Research
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FAQ
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