★
Rating
Metaculus
Serious forecasting for serious questions
Free, science-focused forecasting
Metaculus is a reputation-based forecasting platform used by researchers, journalists and policy makers. It scores you on calibration and Brier accuracy over thousands of long-horizon questions.
Rating
Fees10.0
Liquidity7.0
Market variety8.5
User experience8.4
Trust & safety9.5
Key facts
- Founded
- 2015
- Headquarters
- USA
- Regulation
- Forecasting platform (non-monetary)
- Minimum deposit
- Free
- Payment methods
- N/A
- Availability
- Global
- Mobile app
- No
- Markets
- Science, geopolitics, AI, forecasting research
- Fees
- Free
Pros
- Totally free
- High-quality question set
- Rigorous scoring
- Trusted by researchers
- Long-term community
Cons
- No monetary rewards
- Steeper learning curve
- No dedicated mobile app
How to get started
- 1Create a free Metaculus account via our link
- 2Take the calibration tutorial
- 3Start forecasting active questions
- 4Track your Brier and calibration scores
Screenshots
Screenshots coming soon.
Our verdict
If you want to sharpen forecasting skill on real, hard, long-horizon questions — Metaculus is unmatched.
FAQ
No cash rewards. Some tournaments carry cash prizes funded by partners.