DeepSeek V2 vs o3
DeepSeek DeepSeek V2 | OpenAI o3 | |
|---|---|---|
| Overview | ||
| Company | DeepSeek | OpenAI |
| Release date | May 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 shipped 350 days before o3 | |
Which is better: DeepSeek V2 or o3?
DeepSeek V2 and o3 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. DeepSeek V2 shipped 350 days before o3, so benchmark comparisons should account for the intervening progress.
DeepSeek V2 is open weight, while o3 is proprietary.
Direct benchmark comparisons are unavailable — DeepSeek V2 and o3 don't publish scores on any of the same benchmarks.
Frequently asked questions
DeepSeek V2 was released by DeepSeek on May 2024.
o3 was released by OpenAI on Apr 16 2025.
DeepSeek V2 is an open weight model released by DeepSeek. o3 is a proprietary model released by OpenAI.