Do I have to sign a contract to use BigML? August 31, 2023 17:23 Updated There are several options for you to use BigML's service: Monthly, quarterly, or annual subscriptions. Private Deployments (Managed VPC, Self-Managed VPC, and On-Premises). New users are entitled to a 14-day FREE trial period upon registration. Related articles What method is used to calculate field importance for the BigML models and ensembles?