Celesto Cloud vs Sandbox as a Service

Celesto Cloud costs $0.015 per vCPU-hour and Sandbox as a Service costs $0.045 per vCPU-hour. Celesto Cloud runs microVMs. Sandbox as a Service runs full VMs and limits a session to 24 hours.

Updated

Celesto Cloud

Isolation
MicroVM
Free tier
$5 runtime credit, one time, 30 days
Max session
Not listed

Sandbox as a Service

Isolation
Full VM
Free tier
$5 credit
Max session
24 hours

What is different

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

Celesto Cloud
Sandbox as a Service
vCPU, per hour
Celesto Cloud: $0.015
Sandbox as a Service: $0.045
Free tier
Celesto Cloud: $5 runtime credit, one time, 30 days
Sandbox as a Service: $5 credit
Largest sandbox
Celesto Cloud: 8 vCPU · 32 GiB
Sandbox as a Service: 8 vCPU · 16 GiB
Concurrent sandboxes
Celesto Cloud: Up to 10
Sandbox as a Service: Up to 20
Isolation
Celesto Cloud: MicroVM
Sandbox as a Service: Full VM
Integrations
Celesto Cloud: MCP, OpenAI Agents SDK
Sandbox as a Service: MCP

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Celesto Cloud: $0.015
Sandbox as a Service: $0.045
RAM, per GiB-hour
Celesto Cloud: Included
Sandbox as a Service: Included
Storage
Celesto Cloud: Free
Sandbox as a Service: Not listed
Free tier
Celesto Cloud: $5 runtime credit, one time, 30 days
Sandbox as a Service: $5 credit
Paid plan from
Celesto Cloud: Pay as you go
Sandbox as a Service: Pay as you go
Billing
Celesto Cloud: Bundled machine time
Sandbox as a Service: Bundled machine time

Limits

Max session
Celesto Cloud: Not listed
Sandbox as a Service: 24 hours
Idle stop
Celesto Cloud: Not listed
Sandbox as a Service: Not listed
Largest sandbox
Celesto Cloud: 8 vCPU · 32 GiB
Sandbox as a Service: 8 vCPU · 16 GiB
Concurrent sandboxes
Celesto Cloud: Up to 10
Sandbox as a Service: Up to 20

Platform

Isolation
Celesto Cloud: MicroVM
Sandbox as a Service: Full VM
GPU
Celesto Cloud: Not listed
Sandbox as a Service: Not listed
Snapshots
Celesto Cloud:
Sandbox as a Service:
Pause and resume
Celesto Cloud:
Sandbox as a Service: Not listed

Developer

SDKs
Celesto Cloud: Python, JavaScript / TypeScript
Sandbox as a Service: Python, JavaScript / TypeScript
Integrations
Celesto Cloud: MCP, OpenAI Agents SDK
Sandbox as a Service: MCP

Trust

License
Celesto Cloud: Apache-2.0
Sandbox as a Service: Not listed
BYOC
Celesto Cloud: Not listed
Sandbox as a Service: Not listed

Hourly cost

One sandbox running for one hour

Celesto Cloud
Sandbox as a Service
1 vCPU · 2 GiB
Celesto Cloud: $0.015
Sandbox as a Service: $0.045
2 vCPU · 4 GiB
Celesto Cloud: $0.030
Sandbox as a Service: $0.090
4 vCPU · 8 GiB
Celesto Cloud: $0.060
Sandbox as a Service: $0.180

Compute only, at list rates.

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Which one fits

Based on the fields above

Celesto Cloud fits when

  • You want each sandbox in its own microVM.
  • You want an open-source platform (Apache-2.0).
  • You use the OpenAI Agents SDK.
  • You want the lower list price: $0.030 against $0.090 an hour for 2 vCPU and 4 GiB.

Sandbox as a Service fits when

  • You want each sandbox to be a full VM.

More comparisons

See all comparisons

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