E2B vs Modal vs Daytona: Idle Time, Not Cold Start, Sets the Bill
E2B and Daytona charge the same $0.0504 per vCPU-hour and Modal Sandboxes 41% more. On a month with long idle tails, the billing shape moves the invoice by 10x or more, so price your own alive-to-busy ratio first.
October 8, 2026 · 17 min read