Hugging Face is a platform for hosting and distributing open-source AI models, including LightGPT, a lightweight version of the GPT (Generative Pre-trained Transformer) language model developed by Amazon. LightGPT is designed to be more efficient and faster than the original GPT models while maintaining a high level of performance.

LightGPT is an open-source model hosted on the Hugging Face platform, which is free to use and distribute. However, commercial usage may require a license or agreement with Amazon.