DigitalOcean Harness Runtime vs Tenki Sandbox

DigitalOcean Harness Runtime costs $0.044 per vCPU-hour and Tenki Sandbox costs $0.0504 per vCPU-hour. DigitalOcean Harness Runtime runs Firecracker microVMs. Tenki Sandbox runs full VMs.

Updated

DigitalOcean Harness Runtime

Isolation
Firecracker microVM
Free tier
Not listed
Max session
Not listed

Tenki Sandbox

Isolation
Full VM
Free tier
$100 credit, one time
Max session
Not listed

What is different

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

DigitalOcean Harness Runtime
Tenki Sandbox
vCPU, per hour
DigitalOcean Harness Runtime: $0.044
Tenki Sandbox: $0.0504
RAM, per GiB-hour
DigitalOcean Harness Runtime: $0.0095
Tenki Sandbox: $0.0162
Storage
DigitalOcean Harness Runtime: Session volumes $0.05 per GiB-month
Tenki Sandbox: $0.000108 per GiB-hour after 5 free GiB
Paid plan from
DigitalOcean Harness Runtime: Pay as you go
Tenki Sandbox: $200 / month
Billing
DigitalOcean Harness Runtime: Active CPU time only
Tenki Sandbox: Per second
Largest sandbox
DigitalOcean Harness Runtime: 16 vCPU · 32 GiB
Tenki Sandbox: 16 vCPU · 64 GiB
Isolation
DigitalOcean Harness Runtime: Firecracker microVM
Tenki Sandbox: Full VM
SDKs
DigitalOcean Harness Runtime: Python
Tenki Sandbox: Python, TypeScript, Go

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
DigitalOcean Harness Runtime: $0.044
Tenki Sandbox: $0.0504
RAM, per GiB-hour
DigitalOcean Harness Runtime: $0.0095
Tenki Sandbox: $0.0162
Storage
DigitalOcean Harness Runtime: Session volumes $0.05 per GiB-month
Tenki Sandbox: $0.000108 per GiB-hour after 5 free GiB
Free tier
DigitalOcean Harness Runtime: Not listed
Tenki Sandbox: $100 credit, one time
Paid plan from
DigitalOcean Harness Runtime: Pay as you go
Tenki Sandbox: $200 / month
Billing
DigitalOcean Harness Runtime: Active CPU time only
Tenki Sandbox: Per second

Limits

Max session
DigitalOcean Harness Runtime: Not listed
Tenki Sandbox: Not listed
Idle stop
DigitalOcean Harness Runtime: After 15 minutes
Tenki Sandbox: Not listed
Largest sandbox
DigitalOcean Harness Runtime: 16 vCPU · 32 GiB
Tenki Sandbox: 16 vCPU · 64 GiB
Concurrent sandboxes
DigitalOcean Harness Runtime: Up to 100
Tenki Sandbox: Up to 100

Platform

Isolation
DigitalOcean Harness Runtime: Firecracker microVM
Tenki Sandbox: Full VM
GPU
DigitalOcean Harness Runtime: Not listed
Tenki Sandbox: Not listed
Snapshots
DigitalOcean Harness Runtime:
Tenki Sandbox:
Pause and resume
DigitalOcean Harness Runtime:
Tenki Sandbox:

Developer

SDKs
DigitalOcean Harness Runtime: Python
Tenki Sandbox: Python, TypeScript, Go
Integrations
DigitalOcean Harness Runtime: Not listed
Tenki Sandbox: MCP

Trust

License
DigitalOcean Harness Runtime: Not listed
Tenki Sandbox: Not listed
BYOC
DigitalOcean Harness Runtime: Not listed
Tenki Sandbox: Not listed

Hourly cost

One sandbox running for one hour

DigitalOcean Harness Runtime
Tenki Sandbox
1 vCPU · 2 GiB
DigitalOcean Harness Runtime: $0.063
Tenki Sandbox: $0.083
2 vCPU · 4 GiB
DigitalOcean Harness Runtime: $0.126
Tenki Sandbox: $0.166
4 vCPU · 8 GiB
DigitalOcean Harness Runtime: $0.252
Tenki Sandbox: $0.331

Compute only, at list rates.

Open the calculator

Which one fits

Based on the fields above

DigitalOcean Harness Runtime fits when

  • You want to pay only for usage, with no plan fee.
  • You want each sandbox in its own microVM.
  • You want the lower list price: $0.126 against $0.166 an hour for 2 vCPU and 4 GiB.
  • Your code waits a lot: CPU is billed only while it is in use.

Tenki Sandbox fits when

  • You want each sandbox to be a full VM.
  • You use MCP.
  • You need a desktop in the sandbox.
  • You need a sandbox larger than 16 vCPU · 32 GiB.

More comparisons

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