Code Llama vs o3
Meta Code Llama | OpenAI o3 | |
|---|---|---|
| Overview | ||
| Company | Meta | OpenAI |
| Release date | Aug 24 2023 | Apr 16 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. | — | 26% |
| Timeline | ||
| Release gap | Code Llama shipped 601 days before o3 | |
Which is better: Code Llama or o3?
Code Llama and o3 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Code Llama shipped 601 days before o3, so benchmark comparisons should account for the intervening progress.
Code Llama is open weight, while o3 is proprietary.
Direct benchmark comparisons are unavailable — Code Llama and o3 don't publish scores on any of the same benchmarks.
Frequently asked questions
Code Llama was released by Meta on Aug 24 2023.
o3 was released by OpenAI on Apr 16 2025.
Code Llama is an open weight model released by Meta. o3 is a proprietary model released by OpenAI.