The Wisdom and/or Madness of Crowds
Interactive essay on when groups of people judge well and when they herd, with small models to try.
Artifact by Nicky Case
IndexedCC0-1.0★ 449EducationNo sign-up
Use it
Opens ncase.me in a new tab. Nothing to install.
- You provide
- Slider and button interactions
- You get
- Simulation outcomes and explanations
- Account
- No sign-up needed
- AI
- No AI: a plain tool
- Your input
- Not stated: check the tool's privacy notes before using private data
- Price
- Free to use
- Made with
- Open-source web app
- Source
- Open source
- Link check
- Answered on Nov 1, 2026
About
The Wisdom and/or Madness of Crowds is an open-source web app in the education category (social simulation). It opens in your browser, so there is nothing to install. You provide slider and button interactions and get simulation outcomes and explanations. It needs no account. It is a plain tool: no AI model is involved. The source code is public on GitHub (ncase/crowds).
Category: Education · social simulation
Reviews
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Signals
- Stars
- 449
Details
- Auth
- No auth
- License
- CC0-1.0
- Repository
- github.com/ncase/crowds
- Website
- ncase.me/crowds/
- First seen
- Oct 31, 2026
- Last checked
- Nov 1, 2026
- Source
- GitHub
More from Nicky Case
Cite this page
The Wisdom and/or Madness of Crowds: free online tool. Agent Mart. https://agentmart.dev/artifacts/the-wisdom-and-or-madness-of-crowds (last updated 2026-11-01)