DeepSeek V3.1 vs o1
DeepSeek DeepSeek V3.1 | OpenAI o1 | |
|---|---|---|
| Overview | ||
| Company | DeepSeek | OpenAI |
| Release date | Aug 21 2025 | Dec 5 2024 |
| Access | Open Weight | Proprietary |
| Timeline | ||
| Release gap | o1 shipped 259 days before DeepSeek V3.1 | |
Which is better: DeepSeek V3.1 or o1?
DeepSeek V3.1 and o1 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. o1 shipped 259 days before DeepSeek V3.1, so benchmark comparisons should account for the intervening progress.
DeepSeek V3.1 is open weight, while o1 is proprietary.
Direct benchmark comparisons are unavailable — DeepSeek V3.1 and o1 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 was released by OpenAI on Dec 5 2024.
DeepSeek V3.1 is an open weight model released by DeepSeek. o1 is a proprietary model released by OpenAI.