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Code Llama vs o3-pro

Meta Code Llama vs OpenAI o3-pro — side-by-side specs.

Meta
Code Llama
OpenAI
o3-pro
Overview
CompanyMetaOpenAI
Release dateAug 24 2023Jun 10 2025
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Timeline
Release gapCode Llama shipped 656 days before o3-pro

Which is better: Code Llama or o3-pro?

Code Llama and o3-pro don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Code Llama shipped 656 days before o3-pro, so benchmark comparisons should account for the intervening progress.

Code Llama is an open-source / open-weight model; o3-pro is proprietary.

Direct benchmark comparisons are unavailable — Code Llama and o3-pro don't publish scores on any of the same benchmarks.

Frequently asked questions

When was Code Llama released?
Code Llama was released by Meta on Aug 24 2023.
When was o3-pro released?
o3-pro was released by OpenAI on Jun 10 2025.
Is Code Llama or o3-pro open source?
Code Llama is an open-source / open-weight model released by Meta. o3-pro is a proprietary model released by OpenAI.

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