Claude Fable 5.1 costs just one-quarter as much to read from the cache as Claude Fable 5, while delivering stronger capabilities for long-running agentic coding, multi-step research, and working with documents, spreadsheets, and presentations.
Different token groups have different prices. Unit: Million tokens (M)
| Token Group | Description | Group Ratio | Input Price | Output Price | Cache Read | Cache write (5m) | Cache write (1h) |
|---|---|---|---|---|---|---|---|
| claude_max | Claude性价比 (来源-max号) | 0.8x | $8/M | $40/M | $0.2/M | $10/M | $16/M |