Celesto Cloud vs CoreWeave Sandboxes

Celesto Cloud costs $0.015 per vCPU-hour and CoreWeave Sandboxes costs $0.128 per vCPU-hour. Celesto Cloud runs microVMs. CoreWeave Sandboxes runs microVMs, offers GPUs and limits a session to 720 hours.

Updated

Celesto Cloud

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

CoreWeave Sandboxes

Isolation
MicroVM
Free tier
Not listed
Max session
720 hours

What is different

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

Celesto Cloud
CoreWeave Sandboxes
vCPU, per hour
Celesto Cloud: $0.015
CoreWeave Sandboxes: $0.128
RAM, per GiB-hour
Celesto Cloud: Included
CoreWeave Sandboxes: $0.0212
Storage
Celesto Cloud: Free
CoreWeave Sandboxes: Snapshots and volumes billed separately
Billing
Celesto Cloud: Bundled machine time
CoreWeave Sandboxes: Per second
Concurrent sandboxes
Celesto Cloud: Up to 10
CoreWeave Sandboxes: Up to 5,000
SDKs
Celesto Cloud: Python, JavaScript / TypeScript
CoreWeave Sandboxes: Python, TypeScript

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Celesto Cloud: $0.015
CoreWeave Sandboxes: $0.128
RAM, per GiB-hour
Celesto Cloud: Included
CoreWeave Sandboxes: $0.0212
Storage
Celesto Cloud: Free
CoreWeave Sandboxes: Snapshots and volumes billed separately
Free tier
Celesto Cloud: $5 runtime credit, one time, 30 days
CoreWeave Sandboxes: Not listed
Paid plan from
Celesto Cloud: Pay as you go
CoreWeave Sandboxes: Not listed
Billing
Celesto Cloud: Bundled machine time
CoreWeave Sandboxes: Per second

Limits

Max session
Celesto Cloud: Not listed
CoreWeave Sandboxes: 720 hours
Idle stop
Celesto Cloud: Not listed
CoreWeave Sandboxes: Not listed
Largest sandbox
Celesto Cloud: 8 vCPU · 32 GiB
CoreWeave Sandboxes: Not listed
Concurrent sandboxes
Celesto Cloud: Up to 10
CoreWeave Sandboxes: Up to 5,000

Platform

Isolation
Celesto Cloud: MicroVM
CoreWeave Sandboxes: MicroVM
GPU
Celesto Cloud: Not listed
CoreWeave Sandboxes:
Snapshots
Celesto Cloud:
CoreWeave Sandboxes:
Pause and resume
Celesto Cloud:
CoreWeave Sandboxes: Not listed

Developer

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

Trust

License
Celesto Cloud: Apache-2.0
CoreWeave Sandboxes: Not listed
BYOC
Celesto Cloud: Not listed
CoreWeave Sandboxes: Your CKS clusters. CoreWeave runs the gateway.

Hourly cost

One sandbox running for one hour

Celesto Cloud
CoreWeave Sandboxes
1 vCPU · 2 GiB
Celesto Cloud: $0.015
CoreWeave Sandboxes: $0.170
2 vCPU · 4 GiB
Celesto Cloud: $0.030
CoreWeave Sandboxes: $0.341
4 vCPU · 8 GiB
Celesto Cloud: $0.060
CoreWeave Sandboxes: $0.682

Compute only, at list rates.

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Which one fits

Based on the fields above

Celesto Cloud fits when

  • You want an open-source platform (Apache-2.0).
  • You use MCP or the OpenAI Agents SDK.
  • You want the lower list price: $0.030 against $0.341 an hour for 2 vCPU and 4 GiB.
  • You need pause and resume.

CoreWeave Sandboxes fits when

  • You need GPUs.
  • You need the sandboxes in your own cloud account.

More comparisons

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