This is such a rug pull.

I'm a paying customer and I did not receive ANY communication about this. Was using Opus this afternoon and then it disappeared.

Microsoft really can't stop being Microsoft. I don't dispute the need to charge more for those models, but there is a basic decency to do things and as usual the Big Tech fuckery and complete lack of morals makes them do this in a way that generates total mistrust where it could be just annoyance.

I'll see how Sonnet handles the most difficult problems but I'm foresee a subscription cancelation soon.