DigitalOcean Harness Runtime vs Koyeb Sandboxes

DigitalOcean Harness Runtime costs $0.044 per vCPU-hour and Koyeb Sandboxes costs $0.0144 per vCPU-hour. DigitalOcean Harness Runtime runs Firecracker microVMs. Koyeb Sandboxes runs microVMs.

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

Koyeb Sandboxes

Sandboxes for AI agents, run as Koyeb Instances.

Isolation: MicroVM
Free tier: Not listed
Max session: Not listed

Visit site Koyeb Sandboxes profile

What is different

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

Field

DigitalOcean Harness Runtime

Koyeb Sandboxes

vCPU, per hour: DigitalOcean Harness Runtime: $0.044; Koyeb Sandboxes: $0.0144
RAM, per GiB-hour: DigitalOcean Harness Runtime: $0.0095; Koyeb Sandboxes: Included
Billing: DigitalOcean Harness Runtime: Active CPU time only; Koyeb Sandboxes: Bundled machine time
Isolation: DigitalOcean Harness Runtime: Firecracker microVM; Koyeb Sandboxes: MicroVM
SDKs: DigitalOcean Harness Runtime: Python; Koyeb Sandboxes: Python, JavaScript

Full comparison

18 fields, at each provider's list price

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

Koyeb Sandboxeskoyeb.com/docs/reference/instanceskoyeb.com

Pricing

vCPU, per hour: DigitalOcean Harness Runtime: $0.044; Koyeb Sandboxes: $0.0144
RAM, per GiB-hour: DigitalOcean Harness Runtime: $0.0095; Koyeb Sandboxes: Included
Storage: DigitalOcean Harness Runtime: Session volumes $0.05 per GiB-month; Koyeb Sandboxes: Not listed
Free tier: DigitalOcean Harness Runtime: Not listed; Koyeb Sandboxes: Not listed
Paid plan from: DigitalOcean Harness Runtime: Pay as you go; Koyeb Sandboxes: Not listed
Billing: DigitalOcean Harness Runtime: Active CPU time only; Koyeb Sandboxes: Bundled machine time

Limits

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

Platform

Isolation: DigitalOcean Harness Runtime: Firecracker microVM; Koyeb Sandboxes: MicroVM
GPU: DigitalOcean Harness Runtime: Not listed; Koyeb Sandboxes: Not listed
Snapshots: DigitalOcean Harness Runtime:; Koyeb Sandboxes: Not listed
Pause and resume: DigitalOcean Harness Runtime:; Koyeb Sandboxes: Not listed

Developer

SDKs: DigitalOcean Harness Runtime: Python; Koyeb Sandboxes: Python, JavaScript
Integrations: DigitalOcean Harness Runtime: Claude Code; Koyeb Sandboxes: Not listed

Trust

License: DigitalOcean Harness Runtime: Not listed; Koyeb Sandboxes: Not listed
BYOC: DigitalOcean Harness Runtime: Not listed; Koyeb Sandboxes: Not listed

Hourly cost

One sandbox running for one hour

Size

DigitalOcean Harness Runtime

Koyeb Sandboxes

1 vCPU · 2 GiB: DigitalOcean Harness Runtime: $0.063; Koyeb Sandboxes: $0.014
2 vCPU · 4 GiB: DigitalOcean Harness Runtime: $0.126; Koyeb Sandboxes: $0.029
4 vCPU · 8 GiB: DigitalOcean Harness Runtime: $0.252; Koyeb Sandboxes: $0.058

Compute only, at list rates.

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Which one fits

Based on the fields above

DigitalOcean Harness Runtime fits when

You use Claude Code.
You need snapshots.
You need pause and resume.
Your code waits a lot: CPU is billed only while it is in use.

Koyeb Sandboxes fits when

You want the lower list price: $0.029 against $0.126 an hour for 2 vCPU and 4 GiB.

More comparisons

See all comparisons

DigitalOcean Harness Runtime

Koyeb Sandboxes

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

DigitalOcean Harness Runtime fits when

Koyeb Sandboxes fits when

More comparisons

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