With Anthropic you always have 3 models to choose from: Opus-latest, Sonnet-latest, and Haiku-latest, from the best/slowest to the worst/fastest.
The version numbers are mostly irrelevant as afaik price per token doesn't change between versions.
Three random names isn't ideal. I'm often need to double check which is which. This is why we use numbers
Three random names isn't ideal. I'm often need to double check which is which. This is why we use numbers