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AI Tools / Published June 15, 2026

The 10/80/10 Rule: How to Use Fable 5 Without Burning Through Your Budget

Fable 5 costs roughly twice what Opus 4.8 costs per token, but only 20% of your work actually needs the smartest model. Plan in Fable, build in Opus, review in Fable — the rest is waste.

Last updated: June 15, 2026

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