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FLAN-T5 vs. OPT

LLM Comparison

FLAN-T5

Overview

FLAN-T5 is a finetuned version of Google's popular T5 model with instruct-finetuning. As stated in the model repository's introduction, compared to T5, FLAN-T5 is "just better at everything." With its permissive license, FLAN-T5 has become a popular option for a starting instruct model.

Initial release: 2022-12-06

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 It has since been superseded by models such as LLaMA, GPT-J, and Pythia.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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FLAN-T5

OPT

Products & Features
Instruct Models
Coding Capability
Customization
Finetuning
Open Source
License Apache 2.0 NA
Model Sizes 3B, 11B 1.3B, 2.7B, 6.7B, 13B, 30B, 66B, 175B