InstaVM vs Sandock

InstaVM costs $0.0504 per vCPU-hour. InstaVM runs Firecracker microVMs. Sandock runs containers and limits a session to 24 hours.

Updated Oct 14, 2026

InstaVM

Hardware-isolated microVMs for AI agent code.

Isolation: Firecracker microVM
Free tier: $50 credit
Max session: Not listed

Visit site InstaVM 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

InstaVM

Sandock

Free tier: InstaVM: $50 credit; Sandock: None
Paid plan from: InstaVM: $100 / month; Sandock: $5 / month
Concurrent sandboxes: InstaVM: Up to 100; Sandock: Up to 150
Isolation: InstaVM: Firecracker microVM; Sandock: Container
SDKs: InstaVM: Python, TypeScript; Sandock: JavaScript / TypeScript, Python

Full comparison

18 fields, at each provider's list price

InstaVMinstavm.io/pricing

Sandocksandock.ai/pricing

Pricing

vCPU, per hour: InstaVM: $0.0504; Sandock: Not listed
RAM, per GiB-hour: InstaVM: $0.0162; Sandock: Not listed
Storage: InstaVM: $0.0002 per GiB-hour after 10 free GiB; Sandock: Not listed
Free tier: InstaVM: $50 credit; Sandock: None
Paid plan from: InstaVM: $100 / month; Sandock: $5 / month
Billing: InstaVM: Per second; Sandock: Not listed

Limits

Max session: InstaVM: Not listed; Sandock: 24 hours
Idle stop: InstaVM: Not listed; Sandock: After 30 minutes
Largest sandbox: InstaVM: Not listed; Sandock: 16 vCPU · 8 GiB
Concurrent sandboxes: InstaVM: Up to 100; Sandock: Up to 150

Platform

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

Developer

SDKs: InstaVM: Python, TypeScript; Sandock: JavaScript / TypeScript, Python
Integrations: InstaVM: Not listed; Sandock: MCP

Trust

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

Hourly cost

One sandbox running for one hour

Size

InstaVM

Sandock

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

Compute only, at list rates.

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Which one fits

Based on the fields above

InstaVM fits when

You want each sandbox in its own microVM.
You want to start without paying.
You need snapshots.
You need a desktop in the sandbox.

Sandock fits when

You use MCP.
You need the sandboxes in your own cloud account.

More comparisons

See all comparisons

InstaVM

Sandock

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

InstaVM fits when

Sandock fits when

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