What is Fable?

Fable is a benchmark or threshold for AI intelligence, referenced in discussions about model capability and pricing. The material tracks its use as a standard for advanced AI performance and the implications of its temporary unavailability.

• Jun 2026 - Sterling Crispen said the Fable situation created a precedent for “capability thought crimes” and drew a clear line in the sand going forward.
• Jun 2026 - Nathaniel Whittemore described a “smartest compound model in the market achieving fable level intelligence at half the price.”
• Jun 2026 - Nathaniel Whittemore said that most observers had their timelines for when “we get Fable back” extended, not shortened.