I used to be on 5.4 high for most of my work. I have switched completely to 5.5 medium now. I would highly recommend trying it out

- 5.5 is significantly more token efficient than 5.4 - the same task takes often a third of the tokens

- because of this, is it also much faster to do the task

- you get high "intelligence" per token even after accounting for token efficiency - 5.5 medium is just under 5.4 pro levels of intelligence (imo). It has found tricky bugs for me that all other models failed at

So overall, ideally you will end up with more intelligent, faster model for slightly cheaper.