Claude Opus 4.5

anthropic/claude-opus-4-5-20251101

Every ranked configuration of this model. Rank is dollars per unit of score on that job, and the unit is the job's own — the `per` column names it, because a rating point and a solved task are not the same thing to divide by. Displayed values are rounded; exact values in site.json and the dumps.
job	benchmark	#	score	task $	ratio $	per	released
Code	ALE-Bench	47	1025.38	$0.292547	$0.0002853	rating point	2025-11-24
Reason	ProofBench	23	0.36	$1.26704	$3.52	correct answer	2025-11-24

These are the numbers on #frontier. How a fixed capability's cost falls over time is on /methodology.