Containers on the Cloudflare network. Files are lost on stop unless written to mounted storage.
$0.282/hr
Isolation
microVMFirecracker
Snapshots
No
Kept after stop
Nothing
Max session
stops when idle
Max vCPU
4
Max memory
12 GiB
Max disk
20 GB
Sandbox providers
Cua Spaces
Own computeShared desktops and programmable sandboxes on your own computers or cloud accounts.
Own computeCompute billed separately
Isolation
Container / VMhost-dependent
Snapshots
By runtimecheckpoints / forks
Kept after stop
By runtimelocal persistence
Max session
By locationlocal / cloud limits
Max vCPU
Your host
Max memory
Your host
Max disk
Your storage
Sandboxes with no session cap. Disk survives a stop, and GPUs are available.
$0.199/hr
Estimated
Isolation
Container + microVM
Snapshots
Filesystemmemory on VMs
Kept after stop
Disk
Max session
stops when idle
Max vCPU
4
Max memory
12 GiB
Max disk
20 GiB
E2B
Self-hostableFirecracker microVMs built for agent code. Pause keeps memory and disk until you resume.
$0.198/hr
Estimated
Isolation
microVMFirecracker
Snapshots
Memoryand fork
Kept after stop
Disk + memory
Max session
VM renewed hourly
Max vCPU
4
Max memory
12 GiB
Max disk
20 GiB
VMs that boot from snapshots, with live outbound rules. Pause keeps memory and disk; a stop keeps the disk.
$0.267/hr
Isolation
VMown KVM, bare metal
Snapshots
Memoryand fork
Kept after stop
Disk + memorypaid plans
Max session
Max vCPU
4
Max memory
8 GiB
Max disk
32 GiB
The cloud for AI agents: sandboxes (E2B SDK compatible), persistent agent boxes, Linux and Windows desktops, Android phones and swarms of thousands of sandboxes, billed per second.
$0.022/hr
Sandboxes
Isolation
microVM + VMFirecracker / QEMU/KVM / AWS EC2
Snapshots
Memory + diskand fork
Kept after stop
Nothingpause keeps state
Max session
24 h
Max vCPU
16
Max memory
64 GiB
Max disk
500 GiB
Superserve
Self-hostableFirecracker microVMs for long-running agents, with full-state pause, snapshots and forks.
$0.166/hr
Compute + memory
Isolation
microVMFirecracker
Snapshots
Memory + diskand fork
Kept after stop
Disk + memoryon pause
Max session
Developer / Pro
Max vCPU
16
Max memory
64 GiB
Max disk
—
MicroVMs you can resize while running. Suspend keeps memory, disk and processes until you resume.
≤ $0.232/hr
Isolation
microVMCloud Hypervisor
Snapshots
Memoryand fork
Kept after stop
Disk + memorynamed sandboxes
Max session
24 hPro: no limit
Max vCPU
4
Max memory
12 GiB
Max disk
20 GiB
Standby Pool
Spare capacity Sandbox Router keeps in reserve. You don't pick it: a run lands here only when every provider you use is down or full.
Bring your platform to Sandbox Router.
Reach developers through one sandbox API. Get your provider listed and work with us on an integration.