Claude 3.5 Sonnet vs DeepSeek V3 Chat
Anthropic Claude 3.5 Sonnet | DeepSeek DeepSeek V3 Chat | |
|---|---|---|
| Overview | ||
| Company | Anthropic | DeepSeek |
| Release date | Jun 20 2024 | Dec 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 | Claude 3.5 Sonnet shipped 164 days before DeepSeek V3 Chat | |
Which is better: Claude 3.5 Sonnet or DeepSeek V3 Chat?
Claude 3.5 Sonnet and DeepSeek V3 Chat don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 3.5 Sonnet shipped 164 days before DeepSeek V3 Chat, so benchmark comparisons should account for the intervening progress.
Claude 3.5 Sonnet is proprietary, while DeepSeek V3 Chat is open weight.
Direct benchmark comparisons are unavailable — Claude 3.5 Sonnet and DeepSeek V3 Chat 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 V3 Chat was released by DeepSeek on Dec 2024.
Claude 3.5 Sonnet is a proprietary model released by Anthropic. DeepSeek V3 Chat is an open weight model released by DeepSeek.
Other comparisons
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