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Boing Boing

Working with Anthropic’s new model feels like being a patron, not a wizard

Ellsworth Toohey
Jun 09, 2026
∙ Paid

Building an isochrone map with Claude Mythos

Ethan Mollick got early access to Anthropic’s new Fable model and came away unsettled — not by what it couldn’t do, but by how little he had to. He gave it one ambitious prompt: build a researched and beautiful isochronic travel-time map, and watched it spawn cheaper sub-models to gather 2,200 flights and rail…

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