Blueprint Bench 2

AI benchmark results and model performance

Type: percentageReasoning

38.60%

38.60% - 38.60%

38.60% - Claude Fable 5

Scores Over Time

Individual benchmark scores plotted by date.

Organisation	Model	Reported	Top Score	Info	Self Reported	Source
Anthropic	Claude Fable 5	09 Jun 2026	38.60%	Higher of Mythos 5 / Fable 5 in Anthropic's launch table	Yes	Source
Anthropic	Claude Mythos 5	09 Jun 2026	38.60%	Higher of Mythos 5 / Fable 5 in Anthropic's launch table	Yes	Source