Claude 3 Haiku vs o4-mini
Anthropic Claude 3 Haiku | OpenAI o4-mini | |
|---|---|---|
| Overview | ||
| Company | Anthropic | OpenAI |
| Release date | Mar 4 2024 | Apr 16 2025 |
| 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%Best | 8% |
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% | — |
| Timeline | ||
| Release gap | Claude 3 Haiku shipped 408 days before o4-mini | |
Which is better: Claude 3 Haiku or o4-mini?
Claude 3 Haiku leads o4-mini on 1 of the 1 benchmark they both report (BullshitBench v2). Claude 3 Haiku shipped 408 days before o4-mini, so benchmark comparisons should account for the intervening progress.
Published specifications for these two models are limited — see each model page for the latest details.
On BullshitBench v2, Claude 3 Haiku leads at 10% vs o4-mini at 8%.
Frequently asked questions
Claude 3 Haiku was released by Anthropic on Mar 4 2024.
o4-mini was released by OpenAI on Apr 16 2025.
Other comparisons
Claude 3 Haiku vs Gemini Omnio4-mini vs Gemini OmniClaude 3 Haiku vs Muse Spark 1.1o4-mini vs Muse Spark 1.1Claude 3 Haiku vs Grok 4.5o4-mini vs Grok 4.5Claude 3 Haiku vs DeepSeek-V4-Proo4-mini vs DeepSeek-V4-ProClaude 3 Haiku vs Mistral Medium 3.5o4-mini vs Mistral Medium 3.5Claude 3 Haiku vs Kimi K2.7 Codeo4-mini vs Kimi K2.7 Code