Comparison · updated July 2026
OG vs Manifold Markets
OG and Manifold Markets 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.
Manifold Markets
Play-money prediction market platform with real communities and calibration data.
Rating
OG
3.5
Manifold Markets
4.3
Best for
OG
Onchain traders
Manifold Markets
Forecasters and researchers
Regulation
OG
DeFi / offshore
Manifold Markets
Play-money / sweepstakes
US availability
OG
Restricted
Manifold Markets
Available
Fees
OG
Onchain fees + spread
Manifold Markets
Free (play-money)
Mobile
OG
Good
Manifold Markets
Good
Markets
OG
Politics, Crypto, Culture
Manifold Markets
Politics, AI, Culture, Sports, Economy
Payment
OG
Manifold Markets
Founded
OG
Manifold Markets
Verdicts
Who wins, category by category
Final take
Should you choose OG or Manifold Markets?
Manifold Markets comes out narrowly ahead in our methodology, but both platforms have a clear lane. Choose OG for onchain traders, and Manifold Markets for forecasters and researchers.