All the cloud providers have some hosted / custom version of an AI/ML deployment and training system. Good enough to use, janky enough to probably not meet all your needs if you're serious.
I use google cloud for ML. AWS has a similar offering.
I find google is purpose built for ml and provides tons of resources with excellent documentation.
AWS feels like driving a double decker bus, very big and clunky, compared to google, which is a luxury sedan, that is quite comfortable to take you where you’re going.