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LLaMA 2 vs GPT-3.5

Meta LLaMA 2 vs OpenAI GPT-3.5 — side-by-side specs.

Meta
LLaMA 2
OpenAI
GPT-3.5
Overview
CompanyMetaOpenAI
Release dateJul 18 2023Nov 30 2022
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapGPT-3.5 shipped 230 days before LLaMA 2

Which is better: LLaMA 2 or GPT-3.5?

LLaMA 2 and GPT-3.5 do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. GPT-3.5 shipped 230 days before LLaMA 2, so benchmark comparisons should account for the intervening progress.

LLaMA 2 is an open-source / open-weight model; GPT-3.5 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 GPT-3.5 released?
GPT-3.5 was released by OpenAI on Nov 30 2022.
Is LLaMA 2 or GPT-3.5 open source?
LLaMA 2 is an open-source / open-weight model released by Meta. GPT-3.5 is a proprietary model released by OpenAI.

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