LLaMA 3.3 vs o3-pro
Meta LLaMA 3.3 | OpenAI o3-pro | |
|---|---|---|
| Overview | ||
| Company | Meta | OpenAI |
| Release date | Dec 6 2024 | Jun 10 2025 |
| Access | Open Weight | Proprietary |
| Specifications | ||
Parameters | 70B | — |
| Timeline | ||
| Release gap | LLaMA 3.3 shipped 186 days before o3-pro | |
Which is better: LLaMA 3.3 or o3-pro?
LLaMA 3.3 and o3-pro don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. LLaMA 3.3 shipped 186 days before o3-pro, so benchmark comparisons should account for the intervening progress.
LLaMA 3.3 is open weight, while o3-pro is proprietary.
Direct benchmark comparisons are unavailable — LLaMA 3.3 and o3-pro don't publish scores on any of the same benchmarks.
Frequently asked questions
LLaMA 3.3 was released by Meta on Dec 6 2024.
o3-pro was released by OpenAI on Jun 10 2025.
LLaMA 3.3 is an open weight model released by Meta. o3-pro is a proprietary model released by OpenAI.
Other comparisons
LLaMA 3.3 vs Claude Sonnet 5o3-pro vs Claude Sonnet 5LLaMA 3.3 vs Gemini Omnio3-pro vs Gemini OmniLLaMA 3.3 vs Grok 4.5o3-pro vs Grok 4.5LLaMA 3.3 vs DeepSeek-V4-Proo3-pro vs DeepSeek-V4-ProLLaMA 3.3 vs Mistral Medium 3.5o3-pro vs Mistral Medium 3.5LLaMA 3.3 vs Kimi K2.7 Codeo3-pro vs Kimi K2.7 Code