Claude Fable 5.1: New SOTA with 75% Cache Cut, 70% Output Price Hike↗
Anthropic releases Claude Fable 5.1, a new SOTA model. Cache pricing drops 75% (great for context-heavy workloads), but output tokens cost 70% more — meaning code generation and long-form writing get pricier. Developers need to recalculate their API budgets.