Runloop vs Watasu

Runloop costs $0.108 per vCPU-hour. Runloop runs microVMs. Watasu limits a session to 24 hours.

Updated

Runloop

Isolation
MicroVM
Free tier
$50 credit
Max session
Not listed

Watasu

Isolation
Not listed
Free tier
Free Basic plan
Max session
24 hours

What is different

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

Runloop
Watasu
Storage
Runloop: $0.00034236 per GiB-hour
Watasu: Retained disks €0.10 per GiB per month while the sandbox is stopped. Checkpoints and templates €0.03 per GiB per month.
Free tier
Runloop: $50 credit
Watasu: Free Basic plan
Largest sandbox
Runloop: 16 vCPU · 64 GiB
Watasu: 8 vCPU · 8 GiB

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Runloop: $0.108
Watasu: Not listed
RAM, per GiB-hour
Runloop: $0.0252
Watasu: Not listed
Storage
Runloop: $0.00034236 per GiB-hour
Watasu: Retained disks €0.10 per GiB per month while the sandbox is stopped. Checkpoints and templates €0.03 per GiB per month.
Free tier
Runloop: $50 credit
Watasu: Free Basic plan
Paid plan from
Runloop: Pay as you go
Watasu: Not listed
Billing
Runloop: Per second
Watasu: Per second

Limits

Max session
Runloop: Not listed
Watasu: 24 hours
Idle stop
Runloop: Not listed
Watasu: Not listed
Largest sandbox
Runloop: 16 vCPU · 64 GiB
Watasu: 8 vCPU · 8 GiB
Concurrent sandboxes
Runloop: Not listed
Watasu: Up to 100

Platform

Isolation
Runloop: MicroVM
Watasu: Not listed
GPU
Runloop: Not listed
Watasu: Not listed
Snapshots
Runloop:
Watasu:
Pause and resume
Runloop:
Watasu:

Developer

SDKs
Runloop: Python, TypeScript
Watasu: Not listed
Integrations
Runloop: OpenAI Agents SDK, MCP, Claude Code
Watasu: Not listed

Trust

License
Runloop: Not listed
Watasu: Not listed
BYOC
Runloop: Deploy to VPC, Enterprise plan
Watasu: Not listed

Hourly cost

One sandbox running for one hour

Runloop
Watasu
1 vCPU · 2 GiB
Runloop: $0.158
Watasu: Not listed
2 vCPU · 4 GiB
Runloop: $0.317
Watasu: Not listed
4 vCPU · 8 GiB
Runloop: $0.634
Watasu: Not listed

Compute only, at list rates.

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Which one fits

Based on the fields above

Runloop fits when

  • You use the OpenAI Agents SDK, MCP or Claude Code.
  • You need a desktop in the sandbox.
  • You need the sandboxes in your own cloud account.
  • You need a sandbox larger than 8 vCPU · 8 GiB.

More comparisons

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