DeepSeek R1-0528 vs o4-mini
DeepSeek DeepSeek R1-0528 | OpenAI o4-mini | |
|---|---|---|
| Overview | ||
| Company | DeepSeek | OpenAI |
| Release date | May 28 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. | 8% | 8% |
| Timeline | ||
| Release gap | o4-mini shipped 42 days before DeepSeek R1-0528 | |
Which is better: DeepSeek R1-0528 or o4-mini?
DeepSeek R1-0528 and o4-mini are evenly matched across the 1 benchmark they both report (BullshitBench v2). o4-mini shipped 42 days before DeepSeek R1-0528, so benchmark comparisons should account for the intervening progress.
DeepSeek R1-0528 is open weight, while o4-mini is proprietary.
On BullshitBench v2, both models score 8%.
Frequently asked questions
DeepSeek R1-0528 was released by DeepSeek on May 28 2025.
o4-mini was released by OpenAI on Apr 16 2025.
DeepSeek R1-0528 is an open weight model released by DeepSeek. o4-mini is a proprietary model released by OpenAI.
Other comparisons
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