Also don't forget the 'memory' feature. As LLM providers get better at tailoring the LLM to the user, and probably obfuscating the details on how this user-spec

Also don't forget the 'memory' feature. As LLM providers get better at tailoring the LLM to the user, and probably obfuscating the details on how this user-specific memory works, it will be harder to switch to another provider.