DigitalOcean Harness Runtime vs Sandock

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

Updated Oct 14, 2026

DigitalOcean Harness Runtime

Managed microVM sandboxes for AI agents and their code.

Isolation: Firecracker microVM
Free tier: Not listed
Max session: Not listed

Visit site DigitalOcean Harness Runtime profile

Sandock

Docker sandboxes with persistent volumes for AI agents.

Isolation: Container
Free tier: None
Max session: 24 hours

Visit site Sandock profile

What is different

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

Field

DigitalOcean Harness Runtime

Sandock

Paid plan from: DigitalOcean Harness Runtime: Pay as you go; Sandock: $5 / month
Idle stop: DigitalOcean Harness Runtime: After 15 minutes; Sandock: After 30 minutes
Largest sandbox: DigitalOcean Harness Runtime: 16 vCPU · 32 GiB; Sandock: 16 vCPU · 8 GiB
Concurrent sandboxes: DigitalOcean Harness Runtime: Up to 100; Sandock: Up to 150
Isolation: DigitalOcean Harness Runtime: Firecracker microVM; Sandock: Container
SDKs: DigitalOcean Harness Runtime: Python; Sandock: JavaScript / TypeScript, Python

Full comparison

18 fields, at each provider's list price

DigitalOcean Harness Runtimedigitalocean.com/pricing/harness-runtimedigitalocean.com

Sandocksandock.ai/pricing

Pricing

vCPU, per hour: DigitalOcean Harness Runtime: $0.044; Sandock: Not listed
RAM, per GiB-hour: DigitalOcean Harness Runtime: $0.0095; Sandock: Not listed
Storage: DigitalOcean Harness Runtime: Session volumes $0.05 per GiB-month; Sandock: Not listed
Free tier: DigitalOcean Harness Runtime: Not listed; Sandock: None
Paid plan from: DigitalOcean Harness Runtime: Pay as you go; Sandock: $5 / month
Billing: DigitalOcean Harness Runtime: Active CPU time only; Sandock: Not listed

Limits

Max session: DigitalOcean Harness Runtime: Not listed; Sandock: 24 hours
Idle stop: DigitalOcean Harness Runtime: After 15 minutes; Sandock: After 30 minutes
Largest sandbox: DigitalOcean Harness Runtime: 16 vCPU · 32 GiB; Sandock: 16 vCPU · 8 GiB
Concurrent sandboxes: DigitalOcean Harness Runtime: Up to 100; Sandock: Up to 150

Platform

Isolation: DigitalOcean Harness Runtime: Firecracker microVM; Sandock: Container
GPU: DigitalOcean Harness Runtime: Not listed; Sandock: Not listed
Snapshots: DigitalOcean Harness Runtime:; Sandock: Not listed
Pause and resume: DigitalOcean Harness Runtime:; Sandock:

Developer

SDKs: DigitalOcean Harness Runtime: Python; Sandock: JavaScript / TypeScript, Python
Integrations: DigitalOcean Harness Runtime: Not listed; Sandock: MCP

Trust

License: DigitalOcean Harness Runtime: Not listed; Sandock: Not listed
BYOC: DigitalOcean Harness Runtime: Not listed; Sandock: Private / VPC deployment on Enterprise

Hourly cost

One sandbox running for one hour

Size

DigitalOcean Harness Runtime

Sandock

1 vCPU · 2 GiB: DigitalOcean Harness Runtime: $0.063; Sandock: Not listed
2 vCPU · 4 GiB: DigitalOcean Harness Runtime: $0.126; Sandock: Not listed
4 vCPU · 8 GiB: DigitalOcean Harness Runtime: $0.252; Sandock: Not listed

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 each sandbox in its own microVM.
You need snapshots.
Your code waits a lot: CPU is billed only while it is in use.

Sandock fits when

You use MCP.
You need the sandboxes in your own cloud account.

More comparisons

See all comparisons

DigitalOcean Harness Runtime

Sandock

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

DigitalOcean Harness Runtime fits when

Sandock fits when

More comparisons

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