DigitalOcean Harness Runtime vs Vercel Sandbox

DigitalOcean Harness Runtime costs $0.044 per vCPU-hour and Vercel Sandbox costs $0.128 per vCPU-hour. DigitalOcean Harness Runtime runs Firecracker microVMs. Vercel Sandbox runs Firecracker microVMs and limits a session to 24 hours.

Updated

DigitalOcean Harness Runtime

Isolation
Firecracker microVM
Free tier
Not listed
Max session
Not listed

Vercel Sandbox

Isolation
Firecracker microVM
Free tier
5 CPU-hours every month
Max session
24 hours

What is different

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

DigitalOcean Harness Runtime
Vercel Sandbox
vCPU, per hour
DigitalOcean Harness Runtime: $0.044
Vercel Sandbox: $0.128
RAM, per GiB-hour
DigitalOcean Harness Runtime: $0.0095
Vercel Sandbox: $0.0212
Storage
DigitalOcean Harness Runtime: Session volumes $0.05 per GiB-month
Vercel Sandbox: On Pro, snapshots $0.08 per GB-month and drives $0.05 per GB-month (beta).
Paid plan from
DigitalOcean Harness Runtime: Pay as you go
Vercel Sandbox: $20 / month
Largest sandbox
DigitalOcean Harness Runtime: 16 vCPU · 32 GiB
Vercel Sandbox: 8 vCPU · 16 GiB
Concurrent sandboxes
DigitalOcean Harness Runtime: Up to 100
Vercel Sandbox: Up to 10,000
SDKs
DigitalOcean Harness Runtime: Python
Vercel Sandbox: Python, JavaScript / TypeScript

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
DigitalOcean Harness Runtime: $0.044
Vercel Sandbox: $0.128
RAM, per GiB-hour
DigitalOcean Harness Runtime: $0.0095
Vercel Sandbox: $0.0212
Storage
DigitalOcean Harness Runtime: Session volumes $0.05 per GiB-month
Vercel Sandbox: On Pro, snapshots $0.08 per GB-month and drives $0.05 per GB-month (beta).
Free tier
DigitalOcean Harness Runtime: Not listed
Vercel Sandbox: 5 CPU-hours every month
Paid plan from
DigitalOcean Harness Runtime: Pay as you go
Vercel Sandbox: $20 / month
Billing
DigitalOcean Harness Runtime: Active CPU time only
Vercel Sandbox: Active CPU time only

Limits

Max session
DigitalOcean Harness Runtime: Not listed
Vercel Sandbox: 24 hours
Idle stop
DigitalOcean Harness Runtime: After 15 minutes
Vercel Sandbox: Not listed
Largest sandbox
DigitalOcean Harness Runtime: 16 vCPU · 32 GiB
Vercel Sandbox: 8 vCPU · 16 GiB
Concurrent sandboxes
DigitalOcean Harness Runtime: Up to 100
Vercel Sandbox: Up to 10,000

Platform

Isolation
DigitalOcean Harness Runtime: Firecracker microVM
Vercel Sandbox: Firecracker microVM
GPU
DigitalOcean Harness Runtime: Not listed
Vercel Sandbox: Not listed
Snapshots
DigitalOcean Harness Runtime:
Vercel Sandbox:
Pause and resume
DigitalOcean Harness Runtime:
Vercel Sandbox:

Developer

SDKs
DigitalOcean Harness Runtime: Python
Vercel Sandbox: Python, JavaScript / TypeScript
Integrations
DigitalOcean Harness Runtime: Not listed
Vercel Sandbox: Claude Agent SDK, LangChain, OpenAI Agents SDK, Vercel AI SDK

Trust

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

Hourly cost

One sandbox running for one hour

DigitalOcean Harness Runtime
Vercel Sandbox
1 vCPU · 2 GiB
DigitalOcean Harness Runtime: $0.063
Vercel Sandbox: $0.170
2 vCPU · 4 GiB
DigitalOcean Harness Runtime: $0.126
Vercel Sandbox: $0.341
4 vCPU · 8 GiB
DigitalOcean Harness Runtime: $0.252
Vercel Sandbox: $0.682

Compute only, at list rates.

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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 the lower list price: $0.126 against $0.341 an hour for 2 vCPU and 4 GiB.
  • You need a sandbox larger than 8 vCPU · 16 GiB.

Vercel Sandbox fits when

  • You use the Claude Agent SDK, LangChain, the OpenAI Agents SDK or the Vercel AI SDK.
  • You need SOC 2 Type II.

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