AI 导读
Claude 平台把 Fable 5.1 的缓存读取价格从每百万 token 1 美元降至 0.25 美元，整体定价与 Fable 5 保持一致。Claude Code 中缓存读取按折减费率计入订阅用量，订阅价格不变；对长时任务的按 API 计费会话，成本最多可降低 25%-45%。
正文
To lower costs, we’ve kept pricing the same as Fable 5 while lowering the price of cache reads on usage-based billing. Cache reads on Fable 5.1 are $0.25/MTok, down from $1/MTok on Fable 5.
For builders on the Claude Platform with long horizon workloads, a prompt cache-optimized integration will see significant savings.
In Claude Code, cache reads count at a reduced rate toward subscription usage, which remains unchanged. Long sessions billed at API rates can net out 25%-45% cheaper.
来源：@ClaudeDevs · x.com