Vast.ai is the world's market leader in low-cost cloud GPU leasing, providing a simple search interface to help save nearly 5x on GPU compute costs. With on-demand or off-demand leasing, multiple security levels, GUI and CLI support, a real-time bidding system, and DLf automated base-testing, Vast.ai helps users find the best GPU server for their needs. With Vast.ai, users can transparently compare hardware from different providers, choose the security level that meets their needs, and share cloud computing resources.