Runtime vs StateSet Sandbox

Runtime costs $0.025 per vCPU-hour and StateSet Sandbox costs $0.0055 per vCPU-hour. Runtime runs Firecracker microVMs and has no session limit. StateSet Sandbox runs gVisor and limits a session to 24 hours.

Updated

Runtime

Isolation
Firecracker microVM
Free tier
100 hours of a 1 GB machine in the first 30 days
Max session
No limit

StateSet Sandbox

Isolation
gVisor
Free tier
$25 trial credit, no card
Max session
24 hours

What is different

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

Runtime
StateSet Sandbox
vCPU, per hour
Runtime: $0.025
StateSet Sandbox: $0.0055
RAM, per GiB-hour
Runtime: $0.0075
StateSet Sandbox: $0.00075
Free tier
Runtime: 100 hours of a 1 GB machine in the first 30 days
StateSet Sandbox: $25 trial credit, no card
Billing
Runtime: Active CPU time only
StateSet Sandbox: Per second
Max session
Runtime: No limit
StateSet Sandbox: 24 hours
Isolation
Runtime: Firecracker microVM
StateSet Sandbox: gVisor
SDKs
Runtime: JavaScript / TypeScript, Python, Go, Ruby, Java
StateSet Sandbox: Python, JavaScript / TypeScript
Integrations
Runtime: OpenAI Agents SDK, Vercel AI SDK, Claude Agent SDK, LangChain, MCP, Claude Code
StateSet Sandbox: Claude Code, MCP

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Runtime: $0.025
StateSet Sandbox: $0.0055
RAM, per GiB-hour
Runtime: $0.0075
StateSet Sandbox: $0.00075
Storage
Runtime: $0.000119 per GiB-hour after 10 free GiB
StateSet Sandbox: Not listed
Free tier
Runtime: 100 hours of a 1 GB machine in the first 30 days
StateSet Sandbox: $25 trial credit, no card
Paid plan from
Runtime: Pay as you go
StateSet Sandbox: Pay as you go
Billing
Runtime: Active CPU time only
StateSet Sandbox: Per second

Limits

Max session
Runtime: No limit
StateSet Sandbox: 24 hours
Idle stop
Runtime: After 5 minutes
StateSet Sandbox: Not listed
Largest sandbox
Runtime: 16 vCPU · 64 GiB
StateSet Sandbox: Not listed
Concurrent sandboxes
Runtime: Up to 200
StateSet Sandbox: Up to 200

Platform

Isolation
Runtime: Firecracker microVM
StateSet Sandbox: gVisor
GPU
Runtime: No
StateSet Sandbox: Not listed
Snapshots
Runtime:
StateSet Sandbox:
Pause and resume
Runtime:
StateSet Sandbox:

Developer

SDKs
Runtime: JavaScript / TypeScript, Python, Go, Ruby, Java
StateSet Sandbox: Python, JavaScript / TypeScript
Integrations
Runtime: OpenAI Agents SDK, Vercel AI SDK, Claude Agent SDK, LangChain, MCP, Claude Code
StateSet Sandbox: Claude Code, MCP

Trust

License
Runtime: Not listed
StateSet Sandbox: Not listed
BYOC
Runtime: Not listed
StateSet Sandbox: Not listed

Hourly cost

One sandbox running for one hour

Runtime
StateSet Sandbox
1 vCPU · 2 GiB
Runtime: $0.040
StateSet Sandbox: $0.007
2 vCPU · 4 GiB
Runtime: $0.080
StateSet Sandbox: $0.014
4 vCPU · 8 GiB
Runtime: $0.160
StateSet Sandbox: $0.028

Compute only, at list rates.

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Which one fits

Based on the fields above

Runtime fits when

  • A session must run longer than 24 hours.
  • You want each sandbox in its own microVM.
  • You use the OpenAI Agents SDK, the Vercel AI SDK, the Claude Agent SDK or LangChain.
  • You need a desktop in the sandbox.

StateSet Sandbox fits when

  • You want the lower list price: $0.014 against $0.080 an hour for 2 vCPU and 4 GiB.

More comparisons

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