Claude 3.5 Sonnet vs DeepSeek V2
Anthropic Claude 3.5 Sonnet | DeepSeek DeepSeek V2 | |
|---|---|---|
| Overview | ||
| Company | Anthropic | DeepSeek |
| Release date | Jun 20 2024 | May 2024 |
| 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. | 45% | — |
Coding SWE-Bench VerifiedReal coding tasks pulled from open-source projects — the AI has to find and fix actual bugs. A human-checked version of the original SWE-Bench. Higher is better. | 33.4% | — |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 59.4% | — |
| Timeline | ||
| Release gap | DeepSeek V2 shipped 50 days before Claude 3.5 Sonnet | |
Which is better: Claude 3.5 Sonnet or DeepSeek V2?
Claude 3.5 Sonnet and DeepSeek V2 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. DeepSeek V2 shipped 50 days before Claude 3.5 Sonnet, so benchmark comparisons should account for the intervening progress.
Claude 3.5 Sonnet is proprietary, while DeepSeek V2 is open weight.
Direct benchmark comparisons are unavailable — Claude 3.5 Sonnet and DeepSeek V2 don't publish scores on any of the same benchmarks.
Frequently asked questions
Claude 3.5 Sonnet was released by Anthropic on Jun 20 2024.
DeepSeek V2 was released by DeepSeek on May 2024.
Claude 3.5 Sonnet is a proprietary model released by Anthropic. DeepSeek V2 is an open weight model released by DeepSeek.
Other comparisons
Claude 3.5 Sonnet vs GPT-5.6 SolDeepSeek V2 vs GPT-5.6 SolClaude 3.5 Sonnet vs Gemini OmniDeepSeek V2 vs Gemini OmniClaude 3.5 Sonnet vs Muse Spark 1.1DeepSeek V2 vs Muse Spark 1.1Claude 3.5 Sonnet vs Grok 4.5DeepSeek V2 vs Grok 4.5Claude 3.5 Sonnet vs Mistral Medium 3.5DeepSeek V2 vs Mistral Medium 3.5Claude 3.5 Sonnet vs Kimi K2.7 CodeDeepSeek V2 vs Kimi K2.7 Code