LLaMA 4 Scout vs GPT-5.4 nano
Meta LLaMA 4 Scout | OpenAI GPT-5.4 nano | |
|---|---|---|
| Overview | ||
| Company | Meta | OpenAI |
| Release date | Apr 5 2025 | Mar 17 2026 |
| 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%Best | 14% |
| Timeline | ||
| Release gap | LLaMA 4 Scout shipped 346 days before GPT-5.4 nano | |
Which is better: LLaMA 4 Scout or GPT-5.4 nano?
LLaMA 4 Scout leads GPT-5.4 nano on 1 of the 1 benchmark they both report (BullshitBench v2). LLaMA 4 Scout shipped 346 days before GPT-5.4 nano, so benchmark comparisons should account for the intervening progress.
LLaMA 4 Scout is open weight, while GPT-5.4 nano is proprietary.
On BullshitBench v2, LLaMA 4 Scout leads at 19% vs GPT-5.4 nano at 14%.
Frequently asked questions
LLaMA 4 Scout was released by Meta on Apr 5 2025.
GPT-5.4 nano was released by OpenAI on Mar 17 2026.
LLaMA 4 Scout is an open weight model released by Meta. GPT-5.4 nano is a proprietary model released by OpenAI.
Other comparisons
LLaMA 4 Scout vs Claude Sonnet 5GPT-5.4 nano vs Claude Sonnet 5LLaMA 4 Scout vs Gemini 3.5 FlashGPT-5.4 nano vs Gemini 3.5 FlashLLaMA 4 Scout vs Grok 4.5GPT-5.4 nano vs Grok 4.5LLaMA 4 Scout vs DeepSeek-V4-ProGPT-5.4 nano vs DeepSeek-V4-ProLLaMA 4 Scout vs Mistral Medium 3.5GPT-5.4 nano vs Mistral Medium 3.5LLaMA 4 Scout vs Kimi K2.7 CodeGPT-5.4 nano vs Kimi K2.7 Code