AI Bracket Predictions - 2026 NCAA Tournament

This interactive bracket displays predictions from three AI models - GPT-4o, Gemini 2.5, and Perplexity Sonar Pro - for all 67 games of the 2026 NCAA Men's Basketball Tournament. Each model's predicted winner is shown with a confidence score between 50% and 95%.

Toggle between models to compare picks across the First Four, Round of 64, Round of 32, Sweet 16, Elite 8, Final Four, and Championship. Correct predictions are highlighted in green; incorrect picks in red. The bracket updates live as games are played and scored.

All predictions are collected at three time windows before each game (T-24h, T-6h, T-1h) via the OpenRouter API. The bracket shows each model's most recent prediction. Source citations and confidence calibration data are available on dedicated analysis pages.

Confidence Score

A number between 50% and 95% indicating how certain the AI model is about its predicted winner.

T-24h / T-6h / T-1h

Collection windows: 24 hours, 6 hours, and 1 hour before game tip-off.

Bracket Score

Weighted accuracy: Round of 64/32 = 1pt, Sweet 16 = 2pt, Elite 8 = 4pt, Final Four = 8pt, Championship = 16pt.