DigitalOcean Harness Runtime vs Isorun

DigitalOcean Harness Runtime costs $0.044 per vCPU-hour and Isorun costs $0.025 per vCPU-hour. DigitalOcean Harness Runtime runs Firecracker microVMs. Isorun 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

Isorun

Isolated Linux microVMs from any Docker image.

Isolation: MicroVM
Free tier: $50 credit
Max session: Not listed

Visit site Isorun profile

What is different

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

Field

DigitalOcean Harness Runtime

Isorun

vCPU, per hour: DigitalOcean Harness Runtime: $0.044; Isorun: $0.025
RAM, per GiB-hour: DigitalOcean Harness Runtime: $0.0095; Isorun: $0.015
Storage: DigitalOcean Harness Runtime: Session volumes $0.05 per GiB-month; Isorun: Persistent disk $0.02 per GB-month for data stored
Billing: DigitalOcean Harness Runtime: Active CPU time only; Isorun: Per second
Isolation: DigitalOcean Harness Runtime: Firecracker microVM; Isorun: MicroVM
SDKs: DigitalOcean Harness Runtime: Python; Isorun: TypeScript

Full comparison

18 fields, at each provider's list price

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

Isorundocs.isorun.ai/getting-started/pricingdocs.isorun.ai

Pricing

vCPU, per hour: DigitalOcean Harness Runtime: $0.044; Isorun: $0.025
RAM, per GiB-hour: DigitalOcean Harness Runtime: $0.0095; Isorun: $0.015
Storage: DigitalOcean Harness Runtime: Session volumes $0.05 per GiB-month; Isorun: Persistent disk $0.02 per GB-month for data stored
Free tier: DigitalOcean Harness Runtime: Not listed; Isorun: $50 credit
Paid plan from: DigitalOcean Harness Runtime: Pay as you go; Isorun: Pay as you go
Billing: DigitalOcean Harness Runtime: Active CPU time only; Isorun: Per second

Limits

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

Platform

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

Developer

SDKs: DigitalOcean Harness Runtime: Python; Isorun: TypeScript
Integrations: DigitalOcean Harness Runtime: Not listed; Isorun: LangChain, OpenAI Agents SDK, MCP

Trust

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

Hourly cost

One sandbox running for one hour

Size

DigitalOcean Harness Runtime

Isorun

1 vCPU · 2 GiB: DigitalOcean Harness Runtime: $0.063; Isorun: $0.055
2 vCPU · 4 GiB: DigitalOcean Harness Runtime: $0.126; Isorun: $0.110
4 vCPU · 8 GiB: DigitalOcean Harness Runtime: $0.252; Isorun: $0.220

Compute only, at list rates.

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Which one fits

Based on the fields above

DigitalOcean Harness Runtime fits when

Your code waits a lot: CPU is billed only while it is in use.

Isorun fits when

You use LangChain, the OpenAI Agents SDK or MCP.
You want the lower list price: $0.110 against $0.126 an hour for 2 vCPU and 4 GiB.
You need a desktop in the sandbox.

More comparisons

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DigitalOcean Harness Runtime

Isorun

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

DigitalOcean Harness Runtime fits when

Isorun fits when

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