Claude 3 Haiku vs Claude 3 Opus
Anthropic Claude 3 Haiku | Anthropic Claude 3 Opus | |
|---|---|---|
| Overview | ||
| Company | Anthropic | Anthropic |
| Release date | Mar 4 2024 | Mar 4 2024 |
| Access | Proprietary | 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. | 10% | — |
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% |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 33.3% | 50.4%Best |
| Timeline | ||
| Release gap | Released on the same day | |
Which is better: Claude 3 Haiku or Claude 3 Opus?
Claude 3 Opus leads Claude 3 Haiku on 1 of the 1 benchmark they both report (GPQA Diamond). Both models were released on the same day — Mar 4 2024.
Published specifications for these two models are limited — see each model page for the latest details.
On GPQA Diamond, Claude 3 Opus leads at 50.4% vs Claude 3 Haiku at 33.3%.
Frequently asked questions
Claude 3 Haiku was released by Anthropic on Mar 4 2024.
Claude 3 Opus was released by Anthropic on Mar 4 2024.
Claude 3 Opus leads on GPQA Diamond — Claude 3 Haiku 33.3% vs Claude 3 Opus 50.4%.
Other comparisons
Claude 3 Haiku vs GPT-5.6 SolClaude 3 Opus vs GPT-5.6 SolClaude 3 Haiku vs Gemini OmniClaude 3 Opus vs Gemini OmniClaude 3 Haiku vs Muse Spark 1.1Claude 3 Opus vs Muse Spark 1.1Claude 3 Haiku vs Grok 4.5Claude 3 Opus vs Grok 4.5Claude 3 Haiku vs DeepSeek-V4-ProClaude 3 Opus vs DeepSeek-V4-ProClaude 3 Haiku vs Mistral Medium 3.5Claude 3 Opus vs Mistral Medium 3.5