Agent Sandbox vs Celesto Cloud

Celesto Cloud costs $0.015 per vCPU-hour. Agent Sandbox runs containers. Celesto Cloud runs microVMs.

Updated

Agent Sandbox

Isolation
Container
Free tier
$10 credit with a Google sign-in
Max session
Not listed

Celesto Cloud

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

What is different

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

Agent Sandbox
Celesto Cloud
Storage
Agent Sandbox: $0.0005 per MB for output files
Celesto Cloud: Free
Free tier
Agent Sandbox: $10 credit with a Google sign-in
Celesto Cloud: $5 runtime credit, one time, 30 days
Billing
Agent Sandbox: Per second
Celesto Cloud: Bundled machine time
Isolation
Agent Sandbox: Container
Celesto Cloud: MicroVM
SDKs
Agent Sandbox: Python
Celesto Cloud: Python, JavaScript / TypeScript

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Agent Sandbox: Not listed
Celesto Cloud: $0.015
RAM, per GiB-hour
Agent Sandbox: Not listed
Celesto Cloud: Included
Storage
Agent Sandbox: $0.0005 per MB for output files
Celesto Cloud: Free
Free tier
Agent Sandbox: $10 credit with a Google sign-in
Celesto Cloud: $5 runtime credit, one time, 30 days
Paid plan from
Agent Sandbox: Pay as you go
Celesto Cloud: Pay as you go
Billing
Agent Sandbox: Per second
Celesto Cloud: Bundled machine time

Limits

Max session
Agent Sandbox: Not listed
Celesto Cloud: Not listed
Idle stop
Agent Sandbox: After 5 minutes
Celesto Cloud: Not listed
Largest sandbox
Agent Sandbox: Not listed
Celesto Cloud: 8 vCPU · 32 GiB
Concurrent sandboxes
Agent Sandbox: Not listed
Celesto Cloud: Up to 10

Platform

Isolation
Agent Sandbox: Container
Celesto Cloud: MicroVM
GPU
Agent Sandbox: Not listed
Celesto Cloud: Not listed
Snapshots
Agent Sandbox: Not listed
Celesto Cloud:
Pause and resume
Agent Sandbox: Not listed
Celesto Cloud:

Developer

SDKs
Agent Sandbox: Python
Celesto Cloud: Python, JavaScript / TypeScript
Integrations
Agent Sandbox: Not listed
Celesto Cloud: MCP, OpenAI Agents SDK

Trust

License
Agent Sandbox: Not listed
Celesto Cloud: Apache-2.0
BYOC
Agent Sandbox: Not listed
Celesto Cloud: Not listed

Hourly cost

One sandbox running for one hour

Agent Sandbox
Celesto Cloud
1 vCPU · 2 GiB
Agent Sandbox: Not listed
Celesto Cloud: $0.015
2 vCPU · 4 GiB
Agent Sandbox: Not listed
Celesto Cloud: $0.030
4 vCPU · 8 GiB
Agent Sandbox: Not listed
Celesto Cloud: $0.060

Compute only, at list rates.

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Which one fits

Based on the fields above

Agent Sandbox fits when

  • You want the larger free credit: $10 against $5.

Celesto Cloud fits when

  • You want each sandbox in its own microVM.
  • You want an open-source platform (Apache-2.0).
  • You use MCP or the OpenAI Agents SDK.
  • You need snapshots.

More comparisons

See all comparisons

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