Available online as in, you just log in to a website and use it, not on hugging face or github, where you need to download, install and configure.
LLMs are already made so “safe” that they won’t even describe an erotic or crime story - content you would easily find visually represented in all its detail on Netflix, Amazon, HBO, youtube, etc. Ie writing “Game of Thrones” with an AI is not possible in most chat bots anymore.
Very easy to run yourself theses days as long as you have a decent GPU or Mac unified silicon. OpenWebUi will let you host your own ChatGPT that you can choose different models to run. Dolphin Mixtral is a pretty popular “unlocked” model.