CoreWeave Sandboxes vs Runloop

CoreWeave Sandboxes costs $0.128 per vCPU-hour and Runloop costs $0.108 per vCPU-hour. CoreWeave Sandboxes runs microVMs, offers GPUs and limits a session to 720 hours. Runloop runs microVMs.

Updated

CoreWeave Sandboxes

Isolation
MicroVM
Free tier
Not listed
Max session
720 hours

Runloop

Isolation
MicroVM
Free tier
$50 credit
Max session
Not listed

What is different

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

CoreWeave Sandboxes
Runloop
vCPU, per hour
CoreWeave Sandboxes: $0.128
Runloop: $0.108
RAM, per GiB-hour
CoreWeave Sandboxes: $0.0212
Runloop: $0.0252
Storage
CoreWeave Sandboxes: Snapshots and volumes billed separately
Runloop: $0.00034236 per GiB-hour

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
CoreWeave Sandboxes: $0.128
Runloop: $0.108
RAM, per GiB-hour
CoreWeave Sandboxes: $0.0212
Runloop: $0.0252
Storage
CoreWeave Sandboxes: Snapshots and volumes billed separately
Runloop: $0.00034236 per GiB-hour
Free tier
CoreWeave Sandboxes: Not listed
Runloop: $50 credit
Paid plan from
CoreWeave Sandboxes: Not listed
Runloop: Pay as you go
Billing
CoreWeave Sandboxes: Per second
Runloop: Per second

Limits

Max session
CoreWeave Sandboxes: 720 hours
Runloop: Not listed
Idle stop
CoreWeave Sandboxes: Not listed
Runloop: Not listed
Largest sandbox
CoreWeave Sandboxes: Not listed
Runloop: 16 vCPU · 64 GiB
Concurrent sandboxes
CoreWeave Sandboxes: Up to 5,000
Runloop: Not listed

Platform

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

Developer

SDKs
CoreWeave Sandboxes: Python, TypeScript
Runloop: Python, TypeScript
Integrations
CoreWeave Sandboxes: Not listed
Runloop: OpenAI Agents SDK, MCP

Trust

License
CoreWeave Sandboxes: Not listed
Runloop: Not listed
BYOC
CoreWeave Sandboxes: Your CKS clusters. CoreWeave runs the gateway.
Runloop: Deploy to VPC, Enterprise plan

Hourly cost

One sandbox running for one hour

CoreWeave Sandboxes
Runloop
1 vCPU · 2 GiB
CoreWeave Sandboxes: $0.170
Runloop: $0.158
2 vCPU · 4 GiB
CoreWeave Sandboxes: $0.341
Runloop: $0.317
4 vCPU · 8 GiB
CoreWeave Sandboxes: $0.682
Runloop: $0.634

Compute only, at list rates.

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Which one fits

Based on the fields above

CoreWeave Sandboxes fits when

  • You need GPUs.

Runloop fits when

  • You use the OpenAI Agents SDK or MCP.
  • You want the lower list price: $0.317 against $0.341 an hour for 2 vCPU and 4 GiB.
  • You need pause and resume.
  • You need SOC 2 Type II.

More comparisons

See all comparisons

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