Claude Opus 5 completed one of my coding tasks considerably faster than Opus 4.8. There was just one...

Opus 5 and Opus 4.8 share a $5/$25 rate card, yet Opus 5 billed 3.1x more on identical tasks out of the box. Where it goes, and the switch that closes it.

Claude Opus 5 completed one of my coding tasks considerably faster than Opus 4.8. There was just one...