Fable 5.1 cuts cache cost by 75%, but may not save you money

Fable 5.1来了：缓存降价75%却未必更省钱 | Claude Fable 5.1 | Anthropic | 缓存读取降价 | AI智能体 | Terminal-Bench | 蛋白质设计

Only the title is available; the post doesn't disclose details. Anthropic released Fable 5.1 with a 75% cache-read price cut, but the title warns it may not actually save money—likely due to low hit rates or tricky pricing. The model also appears in Terminal-Bench and protein design tasks, but no performance numbers or cost comparisons are given.