Grok vs. MPT

Overview

Grok is a mixture-of-experts model offered by xAI.

Grok is the flagship language model of xAI, the AI company founded by Elon Musk with close ties to X.com (FKA Twitter). Grok-1 was initialized released late in 2023 and later open-sourced in March of 2024. On March 28, 2024, Grok-1.5 was released with significantly better performance and a context length of 128,000 tokens.

Initial release: 2023-11-05

Reference

https://huggingface.co/xai-org/grok-1

Further Reading

• https://github.com/xai-org/grok-1/tree/main

Overview

MPT-7B and MPT-30B are a set of models that are part of MosaicML's Foundation Series. Trained on 1T tokens, the developers state that MPT-7B matches the performance of LLaMA while also being open source, while MPT-30B outperforms the original GPT-3. In addition to the base model, the developers also offer MPT-Instruct, MPT-Chat, and MPT-7B-StoryWriter-65k+, the last of which is trained on a context length of 65K tokens.

Initial release: 2023-05-05

Reference

https://www.mosaicml.com/blog/mpt-30b

Further Reading

• https://www.mosaicml.com/blog/mpt-7b
• https://huggingface.co/mosaicml