Claude 3.5 Haiku vs o4-mini-high
Anthropic Claude 3.5 Haiku | OpenAI o4-mini-high | |
|---|---|---|
| Overview | ||
| Company | Anthropic | OpenAI |
| Release date | Oct 22 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. | 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 176 days before o4-mini-high | |
Which is better: Claude 3.5 Haiku or o4-mini-high?
Claude 3.5 Haiku and o4-mini-high don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 3.5 Haiku shipped 176 days before o4-mini-high, 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.
Direct benchmark comparisons are unavailable — Claude 3.5 Haiku and o4-mini-high 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.
o4-mini-high was released by OpenAI on Apr 16 2025.
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