DeepSeek-R1-Lite Preview vs o4-mini
DeepSeek DeepSeek-R1-Lite Preview | OpenAI o4-mini | |
|---|---|---|
| Overview | ||
| Company | DeepSeek | OpenAI |
| Release date | Nov 20 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. | — | 8% |
| Timeline | ||
| Release gap | DeepSeek-R1-Lite Preview shipped 147 days before o4-mini | |
Which is better: DeepSeek-R1-Lite Preview or o4-mini?
DeepSeek-R1-Lite Preview and o4-mini don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. DeepSeek-R1-Lite Preview shipped 147 days before o4-mini, so benchmark comparisons should account for the intervening progress.
DeepSeek-R1-Lite Preview is open weight, while o4-mini is proprietary.
Direct benchmark comparisons are unavailable — DeepSeek-R1-Lite Preview and o4-mini don't publish scores on any of the same benchmarks.
Frequently asked questions
DeepSeek-R1-Lite Preview was released by DeepSeek on Nov 20 2024.
o4-mini was released by OpenAI on Apr 16 2025.
DeepSeek-R1-Lite Preview is an open weight model released by DeepSeek. o4-mini is a proprietary model released by OpenAI.
Other comparisons
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