LLaMA 4 Scout vs o3-pro
Meta LLaMA 4 Scout | OpenAI o3-pro | |
|---|---|---|
| Overview | ||
| Company | Meta | OpenAI |
| Release date | Apr 5 2025 | Jun 10 2025 |
| Access | Open Weight | 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. | 19% | — |
| Timeline | ||
| Release gap | LLaMA 4 Scout shipped 66 days before o3-pro | |
Which is better: LLaMA 4 Scout or o3-pro?
LLaMA 4 Scout and o3-pro don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. LLaMA 4 Scout shipped 66 days before o3-pro, so benchmark comparisons should account for the intervening progress.
LLaMA 4 Scout is open weight, while o3-pro is proprietary.
Direct benchmark comparisons are unavailable — LLaMA 4 Scout and o3-pro don't publish scores on any of the same benchmarks.
Frequently asked questions
LLaMA 4 Scout was released by Meta on Apr 5 2025.
o3-pro was released by OpenAI on Jun 10 2025.
LLaMA 4 Scout is an open weight model released by Meta. o3-pro is a proprietary model released by OpenAI.
Other comparisons
LLaMA 4 Scout vs Claude Sonnet 5o3-pro vs Claude Sonnet 5LLaMA 4 Scout vs Gemini Omnio3-pro vs Gemini OmniLLaMA 4 Scout vs Grok 4.5o3-pro vs Grok 4.5LLaMA 4 Scout vs DeepSeek-V4-Proo3-pro vs DeepSeek-V4-ProLLaMA 4 Scout vs Mistral Medium 3.5o3-pro vs Mistral Medium 3.5LLaMA 4 Scout vs Kimi K2.7 Codeo3-pro vs Kimi K2.7 Code