What is Coinbase Pro and Prime?

Could you please explain what Coinbase Pro and Prime are? I'm interested in understanding the features and functionalities of these platforms as I'm considering using them for my cryptocurrency trading. Could you also highlight any key differences between them? Additionally, I'd like to know if they offer any specific advantages or benefits that might make them stand out from other exchanges. Finally, could you provide some insights into their reliability and security measures? Thank you for your help!