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LLaMA 2 vs o1-preview

Meta LLaMA 2 vs OpenAI o1-preview — side-by-side specs.

Meta
LLaMA 2
OpenAI
o1-preview
Overview
CompanyMetaOpenAI
Release dateJul 18 2023Sep 12 2024
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapLLaMA 2 shipped 422 days before o1-preview

Which is better: LLaMA 2 or o1-preview?

LLaMA 2 and o1-preview do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. LLaMA 2 shipped 422 days before o1-preview, so benchmark comparisons should account for the intervening progress.

LLaMA 2 is an open-source / open-weight model; o1-preview is proprietary.

Direct benchmark comparisons are unavailable — at least one of these models has not published scores on GPQA Diamond, SWE-Bench Verified, or MMMU.

Frequently asked questions

When was LLaMA 2 released?
LLaMA 2 was released by Meta on Jul 18 2023.
When was o1-preview released?
o1-preview was released by OpenAI on Sep 12 2024.
Is LLaMA 2 or o1-preview open source?
LLaMA 2 is an open-source / open-weight model released by Meta. o1-preview is a proprietary model released by OpenAI.

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