I gave Opus 5.5 one prompt and six hours to visualize Invisible Cities
- Opus: 10 events in the last 90 days
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What happened
Claude Opus 5.5 vs GPT-6 Astra one-shot Invisible Cities by Italo Calvino in Three.js: AI design, UX, data visualization and explorable explanations.
Summary assembled by rule from the sources below