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LLaMA 3.1 vs o1-pro

Meta LLaMA 3.1 vs OpenAI o1-pro — side-by-side specs.

Meta
LLaMA 3.1
OpenAI
o1-pro
Overview
CompanyMetaOpenAI
Release dateJul 23 2024Mar 19 2025
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Timeline
Release gapLLaMA 3.1 shipped 239 days before o1-pro

Which is better: LLaMA 3.1 or o1-pro?

LLaMA 3.1 and o1-pro don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. LLaMA 3.1 shipped 239 days before o1-pro, so benchmark comparisons should account for the intervening progress.

LLaMA 3.1 is an open-source / open-weight model; o1-pro is proprietary.

Direct benchmark comparisons are unavailable — LLaMA 3.1 and o1-pro don't publish scores on any of the same benchmarks.

Frequently asked questions

When was LLaMA 3.1 released?
LLaMA 3.1 was released by Meta on Jul 23 2024.
When was o1-pro released?
o1-pro was released by OpenAI on Mar 19 2025.
Is LLaMA 3.1 or o1-pro open source?
LLaMA 3.1 is an open-source / open-weight model released by Meta. o1-pro is a proprietary model released by OpenAI.

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