>This is great. Sonnet 4.5 has degraded terribly. >I can get some useful stuff from a clean context in the web ui but the cli is just useless. >I swear it was not that awful a couple of months ago.

I agree on all 3 counts. And it still degrades after a few long turns in openwebui. You can test this by regenerating the last reply in chats from shortly after the model was released.