Grok vs. Phi

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

Phi is a series of compact language models developed by Microsoft using textbooks and synthetic data.

Phi-1 and Phi-2 are 1.3B and 2.7B parameter language models, respectively, developed by Microsoft to demonstrate the ability of smaller language models trained on high-quality data. Despite its size and not having an instruct finetuned counterpart, the Phi-2 model is well-suited to research and experimentation given its size and MIT license.

Initial release: 2023-06-20

Reference

https://ai.azure.com/explore/models/microsoft-phi-2/version/4/registry/azureml-msr

Further Reading

• https://huggingface.co/microsoft/phi-2
• https://arxiv.org/abs/2306.11644