Fair Isaac's pricing power is under threat now that it has a real competitor, so assuming it keeps $10 rates is crazy. Rocket Mortgage just said it will use VantageScore for 100% of its mortgages, after FICO raised prices 17x over the last few years. As @em013L explains, the credit bureaus own VantageScore and have long sent it free alongside FICO scores, but the financial ecosystem has been built around FICO. x.comÂ