All 7 official demos rebuilt + graded · every prompt word-for-word · the one trick that mattered
Get the Fable 5 7-Demo Scorecard
Anthropic's official account showed 4.2M people seven Claude Fable 5 demos. I rebuilt all seven myself, blind, and graded each one — ONE-SHOT, FIXED, or PARTIAL. This guide gives you all seven prompts word-for-word so you can paste them into Fable (or any strong model) and run the exact same scoreboard, plus my grade on each, what broke, every source linked to verify it, and the one trick — the self-checking loop from the Boeing 747 — that made the biggest difference across all seven.
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