Claude 3 Sonnet vs DeepSeek R1-0528
Anthropic Claude 3 Sonnet | DeepSeek DeepSeek R1-0528 | |
|---|---|---|
| Overview | ||
| Company | Anthropic | DeepSeek |
| Release date | Mar 4 2024 | May 28 2025 |
| Access | Proprietary | Open Weight |
| 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% |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 40.4% | — |
| Timeline | ||
| Release gap | Claude 3 Sonnet shipped 450 days before DeepSeek R1-0528 | |
Which is better: Claude 3 Sonnet or DeepSeek R1-0528?
Claude 3 Sonnet and DeepSeek R1-0528 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 3 Sonnet shipped 450 days before DeepSeek R1-0528, so benchmark comparisons should account for the intervening progress.
Claude 3 Sonnet is proprietary, while DeepSeek R1-0528 is open weight.
Direct benchmark comparisons are unavailable — Claude 3 Sonnet and DeepSeek R1-0528 don't publish scores on any of the same benchmarks.
Frequently asked questions
Claude 3 Sonnet was released by Anthropic on Mar 4 2024.
DeepSeek R1-0528 was released by DeepSeek on May 28 2025.
Claude 3 Sonnet is a proprietary model released by Anthropic. DeepSeek R1-0528 is an open weight model released by DeepSeek.
Other comparisons
Claude 3 Sonnet vs GPT-5.6 SolDeepSeek R1-0528 vs GPT-5.6 SolClaude 3 Sonnet vs Gemini OmniDeepSeek R1-0528 vs Gemini OmniClaude 3 Sonnet vs Muse Spark 1.1DeepSeek R1-0528 vs Muse Spark 1.1Claude 3 Sonnet vs Grok 4.5DeepSeek R1-0528 vs Grok 4.5Claude 3 Sonnet vs Mistral Medium 3.5DeepSeek R1-0528 vs Mistral Medium 3.5Claude 3 Sonnet vs Kimi K2.7 CodeDeepSeek R1-0528 vs Kimi K2.7 Code