Comparison · updated July 2026
Metaculus vs OG
Metaculus and OG are two of the most discussed prediction market platforms in the US. Here's a side-by-side look at how they compare on the factors that actually matter for traders.

Metaculus
Community forecasting platform focused on calibration and long-horizon questions.
Rating

Metaculus
4.4
OG
3.5
Best for

Metaculus
Serious forecasters
OG
Onchain traders
Regulation

Metaculus
Non-profit / educational
OG
DeFi / offshore
US availability

Metaculus
Available
OG
Restricted
Fees

Metaculus
Free
OG
Onchain fees + spread
Mobile

Metaculus
Good
OG
Good
Markets

Metaculus
AI, Politics, Economy, Culture
OG
Politics, Crypto, Culture
Payment

Metaculus
OG
Founded

Metaculus
OG
Verdicts
Who wins, category by category
Best for beginners
Metaculus
Cleaner onboarding and a more polished consumer experience.
Final take
Should you choose Metaculus or OG?
For US-based traders, Metaculus is the obvious starting point: OG is not legally available in the United States.
