Claude 3.5 Haiku vs DeepSeek V2.5 (Revised)
Anthropic Claude 3.5 Haiku | DeepSeek DeepSeek V2.5 (Revised) | |
|---|---|---|
| Overview | ||
| Company | Anthropic | DeepSeek |
| Release date | Oct 22 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. | 50% | — |
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. | 40.6% | — |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 41.6% | — |
| Timeline | ||
| Release gap | Claude 3.5 Haiku shipped 40 days before DeepSeek V2.5 (Revised) | |
Which is better: Claude 3.5 Haiku or DeepSeek V2.5 (Revised)?
Claude 3.5 Haiku and DeepSeek V2.5 (Revised) don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 3.5 Haiku shipped 40 days before DeepSeek V2.5 (Revised), so benchmark comparisons should account for the intervening progress.
Claude 3.5 Haiku is proprietary, while DeepSeek V2.5 (Revised) is open weight.
Direct benchmark comparisons are unavailable — Claude 3.5 Haiku and DeepSeek V2.5 (Revised) don't publish scores on any of the same benchmarks.
Frequently asked questions
Claude 3.5 Haiku was released by Anthropic on Oct 22 2024.
DeepSeek V2.5 (Revised) was released by DeepSeek on Dec 2024.
Claude 3.5 Haiku is a proprietary model released by Anthropic. DeepSeek V2.5 (Revised) is an open weight model released by DeepSeek.
Other comparisons
Claude 3.5 Haiku vs GPT-5.6 SolDeepSeek V2.5 (Revised) vs GPT-5.6 SolClaude 3.5 Haiku vs Gemini OmniDeepSeek V2.5 (Revised) vs Gemini OmniClaude 3.5 Haiku vs Muse Spark 1.1DeepSeek V2.5 (Revised) vs Muse Spark 1.1Claude 3.5 Haiku vs Grok 4.5DeepSeek V2.5 (Revised) vs Grok 4.5Claude 3.5 Haiku vs Mistral Medium 3.5DeepSeek V2.5 (Revised) vs Mistral Medium 3.5Claude 3.5 Haiku vs Kimi K2.7 CodeDeepSeek V2.5 (Revised) vs Kimi K2.7 Code