Runloop vs Sandbox as a Service
Runloop costs $0.108 per vCPU-hour and Sandbox as a Service costs $0.045 per vCPU-hour. Runloop runs microVMs. Sandbox as a Service runs full VMs and limits a session to 24 hours.
Updated
Sandbox as a Service
- Isolation
- Full VM
- Free tier
- $5 credit
- Max session
- 24 hours
What is different
8 fields differ. The rest are the same or not listed.
Runloop
Sandbox as a Service
- vCPU, per hour
- Runloop: $0.108
- Sandbox as a Service: $0.045
- RAM, per GiB-hour
- Runloop: $0.0252
- Sandbox as a Service: Included
- Free tier
- Runloop: $50 credit
- Sandbox as a Service: $5 credit
- Billing
- Runloop: Per second
- Sandbox as a Service: Bundled machine time
- Largest sandbox
- Runloop: 16 vCPU · 64 GiB
- Sandbox as a Service: 8 vCPU · 16 GiB
- Isolation
- Runloop: MicroVM
- Sandbox as a Service: Full VM
- SDKs
- Runloop: Python, TypeScript
- Sandbox as a Service: Python, JavaScript / TypeScript
- Integrations
- Runloop: OpenAI Agents SDK, MCP, Claude Code
- Sandbox as a Service: MCP
Full comparison
18 fields, at each provider's list price
Runlooprunloop
Sandbox as a Servicesandbox-as-a-service
Pricing
- vCPU, per hour
- Runloop: $0.108
- Sandbox as a Service: $0.045
- RAM, per GiB-hour
- Runloop: $0.0252
- Sandbox as a Service: Included
- Storage
- Runloop: $0.00034236 per GiB-hour
- Sandbox as a Service: Not listed
- Free tier
- Runloop: $50 credit
- Sandbox as a Service: $5 credit
- Paid plan from
- Runloop: Pay as you go
- Sandbox as a Service: Pay as you go
- Billing
- Runloop: Per second
- Sandbox as a Service: Bundled machine time
Limits
- Max session
- Runloop: Not listed
- Sandbox as a Service: 24 hours
- Idle stop
- Runloop: Not listed
- Sandbox as a Service: Not listed
- Largest sandbox
- Runloop: 16 vCPU · 64 GiB
- Sandbox as a Service: 8 vCPU · 16 GiB
- Concurrent sandboxes
- Runloop: Not listed
- Sandbox as a Service: Up to 20
Platform
- Isolation
- Runloop: MicroVM
- Sandbox as a Service: Full VM
- GPU
- Runloop: Not listed
- Sandbox as a Service: Not listed
- Snapshots
- Runloop:
- Sandbox as a Service:
- Pause and resume
- Runloop:
- Sandbox as a Service: Not listed
Developer
- SDKs
- Runloop: Python, TypeScript
- Sandbox as a Service: Python, JavaScript / TypeScript
- Integrations
- Runloop: OpenAI Agents SDK, MCP, Claude Code
- Sandbox as a Service: MCP
Trust
- License
- Runloop: Not listed
- Sandbox as a Service: Not listed
- BYOC
- Runloop: Deploy to VPC, Enterprise plan
- Sandbox as a Service: Not listed
Hourly cost
One sandbox running for one hour
Runloop
Sandbox as a Service
- 1 vCPU · 2 GiB
- Runloop: $0.158
- Sandbox as a Service: $0.045
- 2 vCPU · 4 GiB
- Runloop: $0.317
- Sandbox as a Service: $0.090
- 4 vCPU · 8 GiB
- Runloop: $0.634
- Sandbox as a Service: $0.180
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Runloop fits when
- You want each sandbox in its own microVM.
- You use the OpenAI Agents SDK or Claude Code.
- You want the larger free credit: $50 against $5.
- You need pause and resume.
Sandbox as a Service fits when
- You want each sandbox to be a full VM.
- You want the lower list price: $0.090 against $0.317 an hour for 2 vCPU and 4 GiB.
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