HopX vs Sandock

HopX costs $0.0504 per vCPU-hour. HopX runs Firecracker microVMs and has no session limit. Sandock runs containers and limits a session to 24 hours.

Updated Oct 14, 2026

HopX

Firecracker microVM sandboxes for AI agents.

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

Visit site HopX 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

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

Field

HopX

Sandock

Free tier: HopX: $200 credit; Sandock: None
Paid plan from: HopX: Pay as you go; Sandock: $5 / month
Max session: HopX: No limit; Sandock: 24 hours
Isolation: HopX: Firecracker microVM; Sandock: Container
SDKs: HopX: Python, JavaScript; Sandock: JavaScript / TypeScript, Python

Full comparison

18 fields, at each provider's list price

HopXhopx.ai/pricing

Sandocksandock.ai/pricing

Pricing

vCPU, per hour: HopX: $0.0504; Sandock: Not listed
RAM, per GiB-hour: HopX: $0.0162; Sandock: Not listed
Storage: HopX: $0.000108 per GiB-hour; Sandock: Not listed
Free tier: HopX: $200 credit; Sandock: None
Paid plan from: HopX: Pay as you go; Sandock: $5 / month
Billing: HopX: Per second; Sandock: Not listed

Limits

Max session: HopX: No limit; Sandock: 24 hours
Idle stop: HopX: Not listed; Sandock: After 30 minutes
Largest sandbox: HopX: Not listed; Sandock: 16 vCPU · 8 GiB
Concurrent sandboxes: HopX: Not listed; Sandock: Up to 150

Platform

Isolation: HopX: Firecracker microVM; Sandock: Container
GPU: HopX: Not listed; Sandock: Not listed
Snapshots: HopX: Not listed; Sandock: Not listed
Pause and resume: HopX:; Sandock:

Developer

SDKs: HopX: Python, JavaScript; Sandock: JavaScript / TypeScript, Python
Integrations: HopX: MCP; Sandock: MCP

Trust

License: HopX: Not listed; Sandock: Not listed
BYOC: HopX: Not listed; Sandock: Private / VPC deployment on Enterprise

Hourly cost

One sandbox running for one hour

Size

HopX

Sandock

1 vCPU · 2 GiB: HopX: $0.083; Sandock: Not listed
2 vCPU · 4 GiB: HopX: $0.166; Sandock: Not listed
4 vCPU · 8 GiB: HopX: $0.331; Sandock: Not listed

Compute only, at list rates.

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Which one fits

Based on the fields above

HopX fits when

A session must run longer than 24 hours.
You want to pay only for usage, with no plan fee.
You want each sandbox in its own microVM.
You want to start without paying.

Sandock fits when

You need the sandboxes in your own cloud account.

More comparisons

See all comparisons

HopX

Sandock

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

HopX fits when

Sandock fits when

More comparisons

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