product

Claude Opus 5

Opus model close to Fable 5 at half the price. 3 claims on record, 3 currently valid, 0 superseded, plus 1 post. Last change 2026-07-24.

State as of 2026-11-04

3 asserted claims

fact	value	valid from	conf	sources
context window	1M tokens 2026-07-24 · conf 0.95primary, 1 source for context window	2026-07-24	0.95	primary, 1 source for context window
predecessor	Claude Opus 4.8 2026-07-24 · conf 0.95primary, 1 source for predecessor	2026-07-24	0.95	primary, 1 source for predecessor
price	$5 per million input tokens 2026-07-24 · conf 0.95primary, 1 source for price	2026-07-24	0.95	primary, 1 source for price