Does it need all that much space though? I mean Stable Diffusion was trained on hundreds of terrabytes of images, and the model only needs 4-5 GB of hardware sp

Does it need all that much space though? I mean Stable Diffusion was trained on hundreds of terrabytes of images, and the model only needs 4-5 GB of hardware space and a decent GPU to run. I haven't read anywhere any stats about GPT3/ChatGPT yet (like how big the model is)