DeepSeek-V3.2 vs o3
DeepSeek DeepSeek-V3.2 | OpenAI o3 | |
|---|---|---|
| Overview | ||
| Company | DeepSeek | OpenAI |
| Release date | Dec 1 2025 | 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. | 13% | 26%Best |
| Timeline | ||
| Release gap | o3 shipped 229 days before DeepSeek-V3.2 | |
Which is better: DeepSeek-V3.2 or o3?
o3 leads DeepSeek-V3.2 on 1 of the 1 benchmark they both report (BullshitBench v2). o3 shipped 229 days before DeepSeek-V3.2, so benchmark comparisons should account for the intervening progress.
DeepSeek-V3.2 is open weight, while o3 is proprietary.
On BullshitBench v2, o3 leads at 26% vs DeepSeek-V3.2 at 13%.
Frequently asked questions
DeepSeek-V3.2 was released by DeepSeek on Dec 1 2025.
o3 was released by OpenAI on Apr 16 2025.
DeepSeek-V3.2 is an open weight model released by DeepSeek. o3 is a proprietary model released by OpenAI.