DeepSeek R1-0528 vs Gemini 3.1 Flash
DeepSeek DeepSeek R1-0528 | Google Gemini 3.1 Flash | |
|---|---|---|
| Overview | ||
| Company | DeepSeek | |
| Release date | May 28 2025 | Feb 26 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 274 days before Gemini 3.1 Flash | |
Which is better: DeepSeek R1-0528 or Gemini 3.1 Flash?
DeepSeek R1-0528 and Gemini 3.1 Flash don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. DeepSeek R1-0528 shipped 274 days before Gemini 3.1 Flash, so benchmark comparisons should account for the intervening progress.
DeepSeek R1-0528 is open weight, while Gemini 3.1 Flash is proprietary.
Direct benchmark comparisons are unavailable — DeepSeek R1-0528 and Gemini 3.1 Flash don't publish scores on any of the same benchmarks.
Frequently asked questions
DeepSeek R1-0528 was released by DeepSeek on May 28 2025.
Gemini 3.1 Flash was released by Google on Feb 26 2026.
DeepSeek R1-0528 is an open weight model released by DeepSeek. Gemini 3.1 Flash is a proprietary model released by Google.
Other comparisons
DeepSeek R1-0528 vs Claude Sonnet 5Gemini 3.1 Flash vs Claude Sonnet 5DeepSeek R1-0528 vs GPT-5.6 SolGemini 3.1 Flash vs GPT-5.6 SolDeepSeek R1-0528 vs Muse Spark 1.1Gemini 3.1 Flash vs Muse Spark 1.1DeepSeek R1-0528 vs Grok 4.5Gemini 3.1 Flash vs Grok 4.5DeepSeek R1-0528 vs Mistral Medium 3.5Gemini 3.1 Flash vs Mistral Medium 3.5DeepSeek R1-0528 vs Kimi K2.7 CodeGemini 3.1 Flash vs Kimi K2.7 Code