[impulser_]

They can't because if someone has built something around that version they don't want to replace that model with a new model that could provide different results.

[jfoster]

In what way are dates better than integers at preventing that kind of mistake?

[dist-epoch]

Except google did exactly that with the previous release, where they silently redirect 03-25 requests to 05-06.

[nsriv]

Looking at you Anthropic. 4.0 markedly different from 3.7 in my experience.

[Aeolun]

The model name is completely different? How do you accidentally switch from 3.7 to 4.0?

[nsriv]

Sorry, I meant Sonnet 3.7 to Sonnet 4.0.