AI IntelligenceJun 10, 2026AI Intelligence
Article
Anthropic released Claude Fable 5, the first model in its new Mythos class.
It leads nearly every benchmark but costs twice as much as Opus 4.8 and has strict safety filters. In one test, it completed a code migration for Stripe in a single day that would have taken a team two months.
Data Cube AI EditorialSource: The Decoder
01
Source Brief
Anthropic released Claude Fable 5, the first model in its new Mythos class. It leads nearly every benchmark but costs twice as much as Opus 4.8 and has strict safety filters. In one test, it completed a code migration for Stripe in a single day that would have taken a team two months.