LLaMA 3.1 vs o3-mini
Meta LLaMA 3.1 | OpenAI o3-mini | |
|---|---|---|
| Overview | ||
| Company | Meta | OpenAI |
| Release date | Jul 23 2024 | Jan 31 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. | 14% | — |
| Timeline | ||
| Release gap | LLaMA 3.1 shipped 192 days before o3-mini | |
Which is better: LLaMA 3.1 or o3-mini?
LLaMA 3.1 and o3-mini don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. LLaMA 3.1 shipped 192 days before o3-mini, so benchmark comparisons should account for the intervening progress.
LLaMA 3.1 is open weight, while o3-mini is proprietary.
Direct benchmark comparisons are unavailable — LLaMA 3.1 and o3-mini don't publish scores on any of the same benchmarks.
Frequently asked questions
LLaMA 3.1 was released by Meta on Jul 23 2024.
o3-mini was released by OpenAI on Jan 31 2025.
LLaMA 3.1 is an open weight model released by Meta. o3-mini is a proprietary model released by OpenAI.
Other comparisons
LLaMA 3.1 vs Claude Sonnet 5o3-mini vs Claude Sonnet 5LLaMA 3.1 vs Gemini Omnio3-mini vs Gemini OmniLLaMA 3.1 vs Grok 4.5o3-mini vs Grok 4.5LLaMA 3.1 vs DeepSeek-V4-Proo3-mini vs DeepSeek-V4-ProLLaMA 3.1 vs Mistral Medium 3.5o3-mini vs Mistral Medium 3.5LLaMA 3.1 vs Kimi K2.7 Codeo3-mini vs Kimi K2.7 Code