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Tool: Quick Study

AnnouncementProductOct 23, 2026

The article documents a prompt to Claude Opus 5.5 High asking it to build an artifact that opens a photo and repaints it within seconds using a canvas element and a simulated brush. The post says Quick Study applies Sobel edge detection, with Google Fonts as its only external library. It references a previous experiment where Claude Fable produced a simulated watercolor illustration in P5.js, and lists recent posts including one on Claude Haiku 5.5.

Receipt № 25591 source · awaiting confirmation ◐

Evidence

1source· awaiting independent confirmation

No score is assigned. Sources and their independence are shown in the citation chain below.

Citation chain · 1 source

01med
simonwillison.netBloghttps://simonwillison.net/2026/Oct/23/quick-study-painter/This source documents the exact prompt given to Claude Opus 5.5 High and specifies that Quick Study uses Sobel edge detection with Google Fonts as its only external library.
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GoogleCompanyClaude FableModelClaude Haiku 5.5ModelClaude Opus 5.5 HighModel
Canonical: https://simonwillison.net/2026/Oct/23/quick-study-painter/