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
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 Oct 31, 2026
About
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
- Oct 31, 2026
- Source
- GitHub
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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 2026-10-31)