Best Mattress 2025 Consumer Reports – The word best is an adjective, and adjectives do not take articles by themselves. In your context, the best relates to {something}, whereas best relates to a course of action. So, it is the best ever means it's the best of all time, up to the present. Which one is the best is obviously a question format, so it makes sense that which one the best is should be the correct form.

Best Mattress 2025 Consumer Reports

Which one is the best is obviously a question format, so it makes sense that which one the best is should be the correct form. Both sentences could mean the same thing, however i like you best.