DeepSeek R1-0528 vs Mistral Small 4
DeepSeek DeepSeek R1-0528 | Mistral Mistral Small 4 | |
|---|---|---|
| Overview | ||
| Company | DeepSeek | Mistral |
| Release date | May 28 2025 | Mar 16 2026 |
| 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 R1-0528 shipped 292 days before Mistral Small 4 | |
Which is better: DeepSeek R1-0528 or Mistral Small 4?
DeepSeek R1-0528 and Mistral Small 4 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. DeepSeek R1-0528 shipped 292 days before Mistral Small 4, so benchmark comparisons should account for the intervening progress.
DeepSeek R1-0528 is open weight, while Mistral Small 4 is proprietary.
Direct benchmark comparisons are unavailable — DeepSeek R1-0528 and Mistral Small 4 don't publish scores on any of the same benchmarks.
Frequently asked questions
DeepSeek R1-0528 was released by DeepSeek on May 28 2025.
Mistral Small 4 was released by Mistral on Mar 16 2026.
DeepSeek R1-0528 is an open weight model released by DeepSeek. Mistral Small 4 is a proprietary model released by Mistral.
Other comparisons
DeepSeek R1-0528 vs Claude Sonnet 5Mistral Small 4 vs Claude Sonnet 5DeepSeek R1-0528 vs GPT-5.6 SolMistral Small 4 vs GPT-5.6 SolDeepSeek R1-0528 vs Gemini OmniMistral Small 4 vs Gemini OmniDeepSeek R1-0528 vs Muse Spark 1.1Mistral Small 4 vs Muse Spark 1.1DeepSeek R1-0528 vs Grok 4.5Mistral Small 4 vs Grok 4.5DeepSeek R1-0528 vs Kimi K2.7 CodeMistral Small 4 vs Kimi K2.7 Code