If it's not running locally, then by nature of what an LLM is it cannot be private.
LLMs cannot act on encrypted information - the server must have access to all your plaintext prompts. And you simply are forced to trust they don't keep them forever, but they probably do.
LLMs cannot act on encrypted information - the server must have access to all your plaintext prompts. And you simply are forced to trust they don't keep them forever, but they probably do.