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LLaMA 2 vs o1

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

Meta
LLaMA 2
OpenAI
o1
Overview
CompanyMetaOpenAI
Release dateJul 18 2023Dec 5 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 506 days before o1

Which is better: LLaMA 2 or o1?

LLaMA 2 and o1 do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. LLaMA 2 shipped 506 days before o1, so benchmark comparisons should account for the intervening progress.

LLaMA 2 is an open-source / open-weight model; o1 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 released?
o1 was released by OpenAI on Dec 5 2024.
Is LLaMA 2 or o1 open source?
LLaMA 2 is an open-source / open-weight model released by Meta. o1 is a proprietary model released by OpenAI.

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