Opus 4.5 ~= Opus 4.6 high. Opus 4.5 was nerfed just before or after the release of 4.6.

The models don’t change.

	▲	tornikeo 29 minutes ago \| parent [-]
		On paper. There's huge financial incentive to quantize the crap out of a good model to save cash after you've hooked in subscriptions.