That’s a wrap

The AI Forecasting Hackathon

Prophet Hacks

85 builders had 32 hours to make an AI agent that could predict the future. Then we scored them for two weeks.

May 16 – 17, 2026UChicago · RemoteScored May 17 – 31
The result
the market

Each mark is one team, ranked left to right. Height is edge over the market — how much lower that team’s Brier score was than the market’s price on the same questions, across the two-week scoring window. Above the line is better than the market.

By the numbers

85

Builders

51

Teams

210

Markets

4,762

Forecasts

What’s next

Fall 2026

We’re planning to run Prophet Hacks again this fall. Dates, tracks, and registration will be posted right here. Stay tuned.

Until then, the arena runs year-round at prophetarena.co.