DigitalOcean Harness Runtime vs HopX

DigitalOcean Harness Runtime costs $0.044 per vCPU-hour and HopX costs $0.0504 per vCPU-hour. DigitalOcean Harness Runtime runs Firecracker microVMs. HopX runs Firecracker microVMs and has no session limit.

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

HopX

Firecracker microVM sandboxes for AI agents.

Isolation: Firecracker microVM
Free tier: $200 credit
Max session: No limit

Visit site HopX profile

What is different

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

Field

DigitalOcean Harness Runtime

HopX

vCPU, per hour: DigitalOcean Harness Runtime: $0.044; HopX: $0.0504
RAM, per GiB-hour: DigitalOcean Harness Runtime: $0.0095; HopX: $0.0162
Storage: DigitalOcean Harness Runtime: Session volumes $0.05 per GiB-month; HopX: $0.000108 per GiB-hour
Billing: DigitalOcean Harness Runtime: Active CPU time only; HopX: Per second
SDKs: DigitalOcean Harness Runtime: Python; HopX: Python, JavaScript

Full comparison

18 fields, at each provider's list price

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

HopXhopx.ai/pricing

Pricing

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

Limits

Max session: DigitalOcean Harness Runtime: Not listed; HopX: No limit
Idle stop: DigitalOcean Harness Runtime: After 15 minutes; HopX: Not listed
Largest sandbox: DigitalOcean Harness Runtime: 16 vCPU · 32 GiB; HopX: Not listed
Concurrent sandboxes: DigitalOcean Harness Runtime: Up to 100; HopX: Not listed

Platform

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

Developer

SDKs: DigitalOcean Harness Runtime: Python; HopX: Python, JavaScript
Integrations: DigitalOcean Harness Runtime: Not listed; HopX: MCP

Trust

License: DigitalOcean Harness Runtime: Not listed; HopX: Not listed
BYOC: DigitalOcean Harness Runtime: Not listed; HopX: Not listed

Hourly cost

One sandbox running for one hour

Size

DigitalOcean Harness Runtime

HopX

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

Compute only, at list rates.

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Which one fits

Based on the fields above

DigitalOcean Harness Runtime fits when

You want the lower list price: $0.126 against $0.166 an hour for 2 vCPU and 4 GiB.
You need snapshots.
Your code waits a lot: CPU is billed only while it is in use.

HopX fits when

You use MCP.
You need a desktop in the sandbox.
You need SOC 2 and ISO 27001.

More comparisons

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DigitalOcean Harness Runtime

HopX

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

DigitalOcean Harness Runtime fits when

HopX fits when

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