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MPT-7B vs. Pythia

LLM Comparison

MPT-7B

Overview

MPT-7B is a set of models that are part of MosaicML's Foundation Series. Trained on 1T tokens, the developers state that it matches the performance of LLaMA while also being open source. In addition to the base model, the developers also offer MPT-7B-Instruct, MPT-7B-Chat, and MPT-7B-StoryWriter-65k+, the last of which is trained on a context length of 65K tokens.

Initial release: 2023-05-05

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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MPT-7B

Pythia

Products & Features
Instruct Models
Coding Capability
Customization
Finetuning
Open Source
License Apache 2.0 Apache 2.0
Model Sizes 7B 1B, 1.4B, 2.8B, 6.9B, 12B