LLaMA 4 Scout vs GPT-5 nano
Meta LLaMA 4 Scout | OpenAI GPT-5 nano | |
|---|---|---|
| Overview | ||
| Company | Meta | OpenAI |
| Release date | Apr 5 2025 | Aug 7 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 124 days before GPT-5 nano | |
Which is better: LLaMA 4 Scout or GPT-5 nano?
LLaMA 4 Scout and GPT-5 nano don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. LLaMA 4 Scout shipped 124 days before GPT-5 nano, so benchmark comparisons should account for the intervening progress.
LLaMA 4 Scout is open weight, while GPT-5 nano is proprietary.
Direct benchmark comparisons are unavailable — LLaMA 4 Scout and GPT-5 nano don't publish scores on any of the same benchmarks.
Frequently asked questions
LLaMA 4 Scout was released by Meta on Apr 5 2025.
GPT-5 nano was released by OpenAI on Aug 7 2025.
LLaMA 4 Scout is an open weight model released by Meta. GPT-5 nano is a proprietary model released by OpenAI.
Other comparisons
LLaMA 4 Scout vs Claude Sonnet 5GPT-5 nano vs Claude Sonnet 5LLaMA 4 Scout vs Gemini OmniGPT-5 nano vs Gemini OmniLLaMA 4 Scout vs Grok 4.5GPT-5 nano vs Grok 4.5LLaMA 4 Scout vs DeepSeek-V4-ProGPT-5 nano vs DeepSeek-V4-ProLLaMA 4 Scout vs Mistral Medium 3.5GPT-5 nano vs Mistral Medium 3.5LLaMA 4 Scout vs Kimi K2.7 CodeGPT-5 nano vs Kimi K2.7 Code