DeepSeek V3.1 vs o1-preview
DeepSeek DeepSeek V3.1 | OpenAI o1-preview | |
|---|---|---|
| Overview | ||
| Company | DeepSeek | OpenAI |
| Release date | Aug 21 2025 | Sep 12 2024 |
| Access | Open Weight | Proprietary |
| Timeline | ||
| Release gap | o1-preview shipped 343 days before DeepSeek V3.1 | |
Which is better: DeepSeek V3.1 or o1-preview?
DeepSeek V3.1 and o1-preview don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. o1-preview shipped 343 days before DeepSeek V3.1, so benchmark comparisons should account for the intervening progress.
DeepSeek V3.1 is open weight, while o1-preview is proprietary.
Direct benchmark comparisons are unavailable — DeepSeek V3.1 and o1-preview don't publish scores on any of the same benchmarks.
Frequently asked questions
DeepSeek V3.1 was released by DeepSeek on Aug 21 2025.
o1-preview was released by OpenAI on Sep 12 2024.
DeepSeek V3.1 is an open weight model released by DeepSeek. o1-preview is a proprietary model released by OpenAI.
Other comparisons
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