DeepSeek V2.5 (Revised) vs o3
DeepSeek DeepSeek V2.5 (Revised) | OpenAI o3 | |
|---|---|---|
| Overview | ||
| Company | DeepSeek | OpenAI |
| Release date | Dec 2024 | Apr 16 2025 |
| Access | Open Weight | Proprietary |
| Benchmarks | ||
Nonsense detection BullshitBench v2Given a confidently-worded but nonsensical prompt, does the AI spot that it makes no sense and push back — instead of playing along and inventing an answer? The score is how often it clearly called out the nonsense. Higher is better. | — | 26% |
| Timeline | ||
| Release gap | DeepSeek V2.5 (Revised) shipped 136 days before o3 | |
Which is better: DeepSeek V2.5 (Revised) or o3?
DeepSeek V2.5 (Revised) and o3 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. DeepSeek V2.5 (Revised) shipped 136 days before o3, so benchmark comparisons should account for the intervening progress.
DeepSeek V2.5 (Revised) is open weight, while o3 is proprietary.
Direct benchmark comparisons are unavailable — DeepSeek V2.5 (Revised) and o3 don't publish scores on any of the same benchmarks.
Frequently asked questions
DeepSeek V2.5 (Revised) was released by DeepSeek on Dec 2024.
o3 was released by OpenAI on Apr 16 2025.
DeepSeek V2.5 (Revised) is an open weight model released by DeepSeek. o3 is a proprietary model released by OpenAI.
Other comparisons
DeepSeek V2.5 (Revised) vs Claude Sonnet 5o3 vs Claude Sonnet 5DeepSeek V2.5 (Revised) vs Gemini Omnio3 vs Gemini OmniDeepSeek V2.5 (Revised) vs Muse Spark 1.1o3 vs Muse Spark 1.1DeepSeek V2.5 (Revised) vs Grok 4.5o3 vs Grok 4.5DeepSeek V2.5 (Revised) vs Mistral Medium 3.5o3 vs Mistral Medium 3.5DeepSeek V2.5 (Revised) vs Kimi K2.7 Codeo3 vs Kimi K2.7 Code