I think Opus 5.5 is now fast enough with the inference stack improvements that they did. Sonnet 5.5 is around 140 tokens/s when I had measured it last time. A $20 subs on claude and using only sonnet 5.5 will last a lot
I was firmly wanting to move towards local llm, and since the Sonnet 5.5 and recent Opus speed increases, I'm putting that on hold until local inference speeds can be improved. Not sure how much juice there is to squeeze there, but I'm hopeful.