Sure, but the point is it’s not self hosted. It’s like calling a Twitter client a self hosted Twitter.
More like running a self-hosted Twitter client, of which there were many...
Sometimes the ChatGPT UI has gone down while the API has been unaffected (like yesterday). Also GPT-4 via the API is much faster. That's the point of using an alternative UI. As for self-hosting it, that's just to ensure it doesn't go away I suppose.
Have you looked into running Stanford's Alpaca7b?
From a company without even a logo that was launched on github two weeks ago. I'm proud of you, you are very brave!