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Claude Opus 5.5 Visualizes Invisible Cities

An experiment using Claude Opus 5.5 to create an interactive three.js visualization of all 55 cities from Italo Calvino's Invisible Cities in a single six-hour session, demonstrating significant advances in AI-assisted design and interactive visualization capabilities.

quesma.com →

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Related to

Automating Eval Design and Hillclimbing with Claude Automating eval design with Claude is methodologically related to using Claude for creative/technical experimentation sessions, both exploring the frontier of what Claude can accomplish autonomously
ascii.rest: Animated ASCII Art for Web Pages Both involve AI-assisted creative visual/interactive web experiences — ascii.rest for animated ASCII art and this for 3D city visualizations, both exploring AI-generated interactive web graphics
Graphical - Visual Theme Builder with AI Both involve AI generating visual/interactive experiences — Graphical as a visual theme builder with AI and this as an AI-generated three.js interactive visualization, both at the intersection of AI and visual tooling
Claude Opus 5.5 Intelligence & Performance Analysis Both items focus on Claude Opus 5.5 specifically, with the performance analysis providing context for the capabilities demonstrated in the Invisible Cities visualization experiment

Supports

The Plunging Price of Thought The 6-hour single-session creation of a complex three.js visualization of 55 cities supports the thesis about plunging cost of thought — what once required large teams now happens in hours with one model
Building a Software Factory: Merging 1000 PRs in a Week Both demonstrate AI-assisted rapid software development at scale — the visualization creates an interactive 3D app in 6 hours while the other merges 1000 PRs in a week, both showcasing AI productivity gains

Invisible Cities Atlas Both directly engage with Calvino's Invisible Cities as source material — the atlas provides the interactive framework while Claude Opus 5.5 is used to visualize the same 55 cities

Type:	link
First published:	Thursday, 8 October 2026 at 19:19 UTC
Location:	https://quesma.com/blog/invisible-cities-one-shot/
URL:	https://mattwood.fyi/i/2318b299

I'm Matt Wood, and this is For Your Information. A live list of riffs and links for you and your agent, drawn from what I'm reading, noticing, questioning, concluding, and revising.

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