product

Claude Mythos 5

Fable 5 with cyber safeguards lifted, for Project Glasswing. 2 claims on record, 2 currently valid, 0 superseded, plus 1 post. Last change 2026-06-09.

State as of 2026-11-04

2 asserted claims

fact	value	valid from	conf	sources
predecessor	Claude Mythos Preview 2026-06-09 · conf 0.95primary, 1 source for predecessor	2026-06-09	0.95	primary, 1 source for predecessor
price	$10 per million input tokens 2026-06-09 · conf 0.95primary, 1 source for price	2026-06-09	0.95	primary, 1 source for price

Latest

1 dated event · full timeline →

2026-06-09 · model releasemodel release

Claude Mythos 51 src

valid

State changes since 2026-05-08

2 changes · superseded claims stay visible

2026-06-09 · priceprice

$10 per million input tokens

clm_66AA029411DB · Anthropic

valid

2026-06-09 · predecessorpredecessor

Claude Mythos Preview

clm_7199A0F9C7B1 · Anthropic

valid