Caged vs Zipbox

Caged costs $0.06 per vCPU-hour and Zipbox costs $0.00685 per vCPU-hour. Caged runs Firecracker microVMs and limits a session to 4 hours. Zipbox runs Firecracker microVMs and has no session limit.

Updated

Caged

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

Zipbox

Isolation
Firecracker microVM
Free tier
$25 credit after a one-time $5 top-up
Max session
No limit

What is different

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

Caged
Zipbox
vCPU, per hour
Caged: $0.06
Zipbox: $0.00685
Free tier
Caged: Free plan, 5 sandboxes a day
Zipbox: $25 credit after a one-time $5 top-up
Paid plan from
Caged: $29 / month
Zipbox: Pay as you go
Max session
Caged: 4 hours
Zipbox: No limit
Largest sandbox
Caged: 8 vCPU · 8 GiB
Zipbox: 6 vCPU · 16 GiB
SDKs
Caged: Python, TypeScript
Zipbox: TypeScript, Python, Go, Rust
Integrations
Caged: MCP, Claude Code
Zipbox: MCP, Claude Code, Claude Agent SDK, OpenAI Agents SDK, Vercel AI SDK, LangChain

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Caged: $0.06
Zipbox: $0.00685
RAM, per GiB-hour
Caged: Included
Zipbox: Included
Storage
Caged: Free
Zipbox: Free
Free tier
Caged: Free plan, 5 sandboxes a day
Zipbox: $25 credit after a one-time $5 top-up
Paid plan from
Caged: $29 / month
Zipbox: Pay as you go
Billing
Caged: Bundled machine time
Zipbox: Bundled machine time

Limits

Max session
Caged: 4 hours
Zipbox: No limit
Idle stop
Caged: Not listed
Zipbox: Not listed
Largest sandbox
Caged: 8 vCPU · 8 GiB
Zipbox: 6 vCPU · 16 GiB
Concurrent sandboxes
Caged: Up to 5
Zipbox: Not listed

Platform

Isolation
Caged: Firecracker microVM
Zipbox: Firecracker microVM
GPU
Caged: Not listed
Zipbox: Not listed
Snapshots
Caged: Not listed
Zipbox: No
Pause and resume
Caged: Not listed
Zipbox: No

Developer

SDKs
Caged: Python, TypeScript
Zipbox: TypeScript, Python, Go, Rust
Integrations
Caged: MCP, Claude Code
Zipbox: MCP, Claude Code, Claude Agent SDK, OpenAI Agents SDK, Vercel AI SDK, LangChain

Trust

License
Caged: Not listed
Zipbox: Not listed
BYOC
Caged: Not listed
Zipbox: Not listed

Hourly cost

One sandbox running for one hour

Caged
Zipbox
1 vCPU · 2 GiB
Caged: $0.060
Zipbox: $0.007
2 vCPU · 4 GiB
Caged: $0.120
Zipbox: $0.014
4 vCPU · 8 GiB
Caged: $0.240
Zipbox: $0.027

Compute only, at list rates.

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Which one fits

Based on the fields above

Zipbox fits when

  • A session must run longer than 4 hours.
  • You want to pay only for usage, with no plan fee.
  • You use the Claude Agent SDK, the OpenAI Agents SDK, the Vercel AI SDK or LangChain.
  • You want the lower list price: $0.014 against $0.120 an hour for 2 vCPU and 4 GiB.

More comparisons

See all comparisons

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