Release a8dda28b1aa3 Versions and sources

Synthetic opinion · the US and 211 countries

Model how public reaction could move

Census and World Bank records seed thousands of synthetic residents. Claude reasons in character as each one, and the answers re-weight back to the real population. A simulation, not a poll — no people are surveyed.

Today Loading the latest sourced stories…

Open the news and evidence desk →


The atlas

51 U.S. jurisdictions · 211 countries · browse first, simulate on request

View the data as a table →


A model earns trust by showing the miss

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Observed

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Modeled

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Where this model is weakest →

1Input

A question, sourced story, bill, or hypothetical scenario.

2Model

Deterministic geography plus bounded synthetic-persona reasoning.

3Inspect

Result, sources, version, limitations, and validation together.

Read the full method →