Opus and Sonnet are still working fine in AWS Bedrock (and probably Google Vertex), so they genuinely do have an emergency backup Claude they can use.
It also allows for consolidated billing, more control over usage, being able to switch between providers and models easily, and more.
I typically don’t use Bedrock, but when I have it’s been fine. You can even use Claude Code with a Bedrock API key if you prefer
https://docs.aws.amazon.com/bedrock/latest/userguide/what-is...
https://code.claude.com/docs/en/amazon-bedrock
(I am not affiliated with AWS in any way. I’m just a user stuck in their ecosystem!)