DigitalOcean Harness Runtime vs Nebius Sandboxes

DigitalOcean Harness Runtime costs $0.044 per vCPU-hour. DigitalOcean Harness Runtime runs Firecracker microVMs. Nebius 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

Nebius Sandboxes

Sandboxes for AI agents that branch from any checkpoint.

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

Visit site Nebius Sandboxes profile

What is different

1 field differs. The rest are the same or not listed.

Field

DigitalOcean Harness Runtime

Nebius Sandboxes

Isolation: DigitalOcean Harness Runtime: Firecracker microVM; Nebius Sandboxes: MicroVM

Full comparison

18 fields, at each provider's list price

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

Nebius Sandboxescontree.dev

Pricing

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

Limits

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

Platform

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

Developer

SDKs: DigitalOcean Harness Runtime: Python; Nebius Sandboxes: Python
Integrations: DigitalOcean Harness Runtime: Not listed; Nebius Sandboxes: LangChain, MCP

Trust

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

Hourly cost

One sandbox running for one hour

Size

DigitalOcean Harness Runtime

Nebius Sandboxes

1 vCPU · 2 GiB: DigitalOcean Harness Runtime: $0.063; Nebius Sandboxes: Not listed
2 vCPU · 4 GiB: DigitalOcean Harness Runtime: $0.126; Nebius Sandboxes: Not listed
4 vCPU · 8 GiB: DigitalOcean Harness Runtime: $0.252; Nebius Sandboxes: 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 need pause and resume.
Your code waits a lot: CPU is billed only while it is in use.

Nebius Sandboxes fits when

You use LangChain or MCP.

More comparisons

See all comparisons

DigitalOcean Harness Runtime

Nebius Sandboxes

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

DigitalOcean Harness Runtime fits when

Nebius Sandboxes fits when

More comparisons

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