Counterfactual lab
Choose a year. Change history. See the forecast.
Pick a point in time, ask what changed, and compare the next 25 years with the unchanged history. Start with a prompt or write your own.
Advanced: edit the model’s state yourself
Change the 16-event context or add an invention, then run the same local model in your browser.
The 16 events the model sees
Strike an event to remove it, or double it to weigh it more. Edits stack until you reset.
Invent something
Evidence
Where recorded inventions came from.
Across 4,057 recorded inventions, the center of invention moves across regions over time. The chart is descriptive; it is not the forecast.
From 2025
What does the model expect by 2050?
Model and data
This page uses the released run bundle and scenario set. The advanced editor loads the checkpoint locally; the guided prompts use the scenario endpoint to match your question to a pre-run change.
Run data and provenance · Scenario data · Checkpoint · Model readouts