Tier9
Track Records

Forecaster Leaderboard

Build your track record by making forecasts on real questions. Rankings are based on Brier scores across resolved questions.

Preview

How the Leaderboard Will Work

This is an example of what the leaderboard will look like once we have enough resolved questions.

Interactive Demo

See what the leaderboard will look like with example data

How Rankings Work

Transparent, merit-based scoring

Ranking Criteria

  • Brier Score: The gold standard for measuring probabilistic accuracy (lower is better, 0 is perfect, 0.25 is random guessing)
  • Minimum Threshold: Forecasters need 20+ resolved forecasts to appear on the leaderboard
  • Domain Rankings: Separate leaderboards for climate, health, geopolitics, economy, science, and society
  • Superforecaster Status: Awarded to forecasters with Brier scores below 0.15 over 100+ forecasts

AI Model Benchmarks

We track AI model performance to compare human and machine forecasting:

  • • Claude, GPT, Gemini, and other frontier models
  • • Human-AI ensemble combinations
  • • Domain-specific model performance

Start Building Your Track Record

Be among the first forecasters on the platform. Your predictions will be scored and tracked as questions resolve.

Start Forecasting