Caged vs Sandbox0

Caged costs $0.06 per vCPU-hour. Sandbox0 bills memory only, at $0.015 per GiB-hour. Caged runs Firecracker microVMs and limits a session to 4 hours. Sandbox0 runs gVisor and has no session limit.

Updated

Caged

Isolation
Firecracker microVM
Free tier
Free plan, 5 sandboxes a day
Max session
4 hours

Sandbox0

Isolation
gVisor
Free tier
Not listed
Max session
No limit

What is different

8 fields differ. The rest are the same or not listed.

Caged
Sandbox0
vCPU, per hour
Caged: $0.06
Sandbox0: Included
RAM, per GiB-hour
Caged: Included
Sandbox0: $0.015
Paid plan from
Caged: $29 / month
Sandbox0: Pay as you go
Billing
Caged: Bundled machine time
Sandbox0: Memory only
Max session
Caged: 4 hours
Sandbox0: No limit
Concurrent sandboxes
Caged: Up to 5
Sandbox0: Up to 20
Isolation
Caged: Firecracker microVM
Sandbox0: gVisor
Integrations
Caged: MCP
Sandbox0: LangChain, OpenAI Agents SDK

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Caged: $0.06
Sandbox0: Included
RAM, per GiB-hour
Caged: Included
Sandbox0: $0.015
Storage
Caged: Free
Sandbox0: Free
Free tier
Caged: Free plan, 5 sandboxes a day
Sandbox0: Not listed
Paid plan from
Caged: $29 / month
Sandbox0: Pay as you go
Billing
Caged: Bundled machine time
Sandbox0: Memory only

Limits

Max session
Caged: 4 hours
Sandbox0: No limit
Idle stop
Caged: Not listed
Sandbox0: Not listed
Largest sandbox
Caged: 8 vCPU · 8 GiB
Sandbox0: Not listed
Concurrent sandboxes
Caged: Up to 5
Sandbox0: Up to 20

Platform

Isolation
Caged: Firecracker microVM
Sandbox0: gVisor
GPU
Caged: Not listed
Sandbox0: Not listed
Snapshots
Caged: Not listed
Sandbox0:
Pause and resume
Caged: Not listed
Sandbox0:

Developer

SDKs
Caged: Not listed
Sandbox0: Go, Python, TypeScript
Integrations
Caged: MCP
Sandbox0: LangChain, OpenAI Agents SDK

Trust

License
Caged: Not listed
Sandbox0: Apache-2.0
BYOC
Caged: Not listed
Sandbox0: Not listed

Hourly cost

One sandbox running for one hour

Caged
Sandbox0
1 vCPU · 2 GiB
Caged: $0.060
Sandbox0: $0.030
2 vCPU · 4 GiB
Caged: $0.120
Sandbox0: $0.060
4 vCPU · 8 GiB
Caged: $0.240
Sandbox0: $0.120

Compute only, at list rates.

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Which one fits

Based on the fields above

Caged fits when

  • You want each sandbox in its own microVM.
  • You use MCP.

Sandbox0 fits when

  • A session must run longer than 4 hours.
  • You want to pay only for usage, with no plan fee.
  • You want an open-source platform (Apache-2.0) that you can self-host.
  • You use LangChain or the OpenAI Agents SDK.

More comparisons

See all comparisons

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