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LLaMA vs. OPT

LLM Comparison

LLaMA

Overview

The model that launched a frenzy in open-source instruct-finetuned models, LLaMA is Meta AI's more parameter-efficient, open-source alternative to large commercial LLMs. Despite being smaller than many commercial models, LLaMA outperformed the gold standard GPT-3 on many benchmarks, with the primary drawback being that its access remains gated to researchers with restrictions on commercial use.

Initial release: 2023-02-24

OPT

Overview

Open Pre-trained Transformer Language Models (OPT) is part of the family of open source models designed to replicate GPT-3, with similar decoder-only architecture. It has since been superseded by models such as LLaMA, GPT-J, and Pythia.

Initial release: 2022-05-03

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LLaMA

OPT

Products & Features
Instruct Models
Coding Capability
Customization
Finetuning
Open Source
License Noncommercial NA
Model Sizes 7B, 13B, 33B, 65B 1.3B, 2.7B, 6.7B, 13B, 30B, 66B, 175B