Anthropic's fix for Fable 5's high cost is turning it into a manager that delegates to Sonnet 5

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Anthropic recommends using the expensive Claude Fable 5 mainly as a planner for smaller models instead of running it on every task.

Combined with Sonnet 5 in the "Advisor" pattern, this setup hits 92 percent of Fable 5's solo performance at 63 percent of the cost.

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