DeepSeek V3.1 Terminus vs o1-preview
DeepSeek DeepSeek V3.1 Terminus | OpenAI o1-preview | |
|---|---|---|
| Overview | ||
| Company | DeepSeek | OpenAI |
| Release date | Sep 22 2025 | Sep 12 2024 |
| Access | Open Weight | Proprietary |
| Timeline | ||
| Release gap | o1-preview shipped 375 days before DeepSeek V3.1 Terminus | |
Which is better: DeepSeek V3.1 Terminus or o1-preview?
DeepSeek V3.1 Terminus 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 375 days before DeepSeek V3.1 Terminus, so benchmark comparisons should account for the intervening progress.
DeepSeek V3.1 Terminus is open weight, while o1-preview is proprietary.
Direct benchmark comparisons are unavailable — DeepSeek V3.1 Terminus and o1-preview don't publish scores on any of the same benchmarks.
Frequently asked questions
DeepSeek V3.1 Terminus was released by DeepSeek on Sep 22 2025.
o1-preview was released by OpenAI on Sep 12 2024.
DeepSeek V3.1 Terminus is an open weight model released by DeepSeek. o1-preview is a proprietary model released by OpenAI.
Other comparisons
DeepSeek V3.1 Terminus vs Claude Sonnet 5o1-preview vs Claude Sonnet 5DeepSeek V3.1 Terminus vs Gemini 3.5 Flasho1-preview vs Gemini 3.5 FlashDeepSeek V3.1 Terminus vs Muse Spark 1.1o1-preview vs Muse Spark 1.1DeepSeek V3.1 Terminus vs Grok 4.5o1-preview vs Grok 4.5DeepSeek V3.1 Terminus vs Mistral Medium 3.5o1-preview vs Mistral Medium 3.5DeepSeek V3.1 Terminus vs Kimi K2.7 Codeo1-preview vs Kimi K2.7 Code