Anthropic drops Claude Fable 5.1 with cheaper pricing and lighter restrictions
Claude Fable 5.1 costs up to 45 percent less for complex agentic tasks and blocks fewer basic biology questions than its predecessor, Anthropic says.
- Fable 5.1 costs about 25 percent less than Fable 5 typically, and up to 45 percent less for complex agentic tasks, Anthropic says.
- The savings come mainly from cheaper pricing on cached data the model has already processed and stored.
- Claude Fable 5.1 is available on all platforms now; Mythos 5.1 is limited to Project Glasswing participants.
