16 questions you should ask before choosing a sandbox provider

Selecting a sandbox provider requires assessing resource ranges and resizing, virtualization and kernel compatibility, isolation and performance, snapshot capabilities, startup and resume behavior, lifecycle policies, networking, environment customization, interactive access, secrets management, and scaling speed. The checklist emphasizes verifying practical behavior rather than relying on headline claims, particularly for cold starts, snapshot restoration, branching, idle handling, burst capacity, and enterprise private-network requirements. Freestyle positions its offering as hardware-virtualized full Linux VMs for complex, long-running workloads, with real Ubuntu environments, grow-only resource scaling, support for features such as Docker, FUSE, eBPF, nested virtualization, systemd, and private networking. Its documented features include memory-and-disk snapshots for pausing and branching active environments, sub-400-millisecond p99 provisioning, configurable idle pausing, HTTPS and non-HTTP networking options, interactive PTY and SSH access, scoped client sessions, edge-based secret injection, and plan-based limits on concurrent VMs, saved VMs, snapshots, and aggregate resources.

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