[deaux]

99% of people who use it do so because of A. existing agreements wrt compliance and billing (including credits, spend agreements etc.) B. IAM/org permissioning structures that they already have set up.

> Isn't the API worse

No, for general inference the norm is to use provider-agnostic libraries that paper over individual differences. And if you're doing non-standard stuff? Throw the APIs at Opus or something.

> Aren't the p95 latencies worse?

> The costs higher?

The costs for Anthropic models are the same, and the p95 latencies are not higher, they're more stable if anything. The open weights models do look a bit more expensive but as said many businesses don't pay sticker price for AWS spend or they find it worth it anyway.