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BLOOM vs. Pythia

LLM Comparison

BLOOM

Overview

A model proposed during the BigScience Workshop as an open-source alternative to GPT-3, BLOOM has since been superseded by recent models based on Meta's LLaMA model.

Initial release: 2022-07-06

Pythia

Overview

The most recent (as of May 2023) effort from EleutherAI, Pythia is a set of LLMs trained on The Pile. While it appears to outperform OPT and GPTNeo, its performance against GPT-J is unclear. Versions of Pythia have also been instruct-tuned by the team at Together.

Initial release: 2023-02-13

Further Reading

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BLOOM

Pythia

Products & Features
Instruct Models
Coding Capability
Customization
Finetuning
Open Source
License Open RAIL-M v1 Apache 2.0
Model Sizes 1.1B, 1.7B, 3B, 7.1B, 176B 1B, 1.4B, 2.8B, 6.9B, 12B