LLaMA 3.1 vs gpt-oss-120b
Meta LLaMA 3.1 | OpenAI gpt-oss-120b | |
|---|---|---|
| Overview | ||
| Company | Meta | OpenAI |
| Release date | Jul 23 2024 | Aug 5 2025 |
| Access | Open Weight | Open Weight |
| 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%Best | 11% |
| Timeline | ||
| Release gap | LLaMA 3.1 shipped 378 days before gpt-oss-120b | |
Which is better: LLaMA 3.1 or gpt-oss-120b?
LLaMA 3.1 leads gpt-oss-120b on 1 of the 1 benchmark they both report (BullshitBench v2). LLaMA 3.1 shipped 378 days before gpt-oss-120b, 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.
On BullshitBench v2, LLaMA 3.1 leads at 14% vs gpt-oss-120b at 11%.
Frequently asked questions
LLaMA 3.1 was released by Meta on Jul 23 2024.
gpt-oss-120b was released by OpenAI on Aug 5 2025.
Other comparisons
LLaMA 3.1 vs Claude Sonnet 5gpt-oss-120b vs Claude Sonnet 5LLaMA 3.1 vs Gemini Omnigpt-oss-120b vs Gemini OmniLLaMA 3.1 vs Grok 4.5gpt-oss-120b vs Grok 4.5LLaMA 3.1 vs DeepSeek-V4-Progpt-oss-120b vs DeepSeek-V4-ProLLaMA 3.1 vs Mistral Medium 3.5gpt-oss-120b vs Mistral Medium 3.5LLaMA 3.1 vs Kimi K2.7 Codegpt-oss-120b vs Kimi K2.7 Code