Sandock vs Sendblue Sandboxes

Sendblue Sandboxes costs $0.165 per vCPU-hour. Sandock runs containers and limits a session to 8 hours. Sendblue Sandboxes runs containers.

Updated Oct 15, 2026

Sandock

Docker sandboxes with persistent volumes for AI agents.

Isolation: Container
Free tier: None
Max session: 8 hours

Visit site Sandock profile

Sendblue Sandboxes

Isolated cloud Linux machines that AI agents control over an HTTP API.

Isolation: Container
Free tier: $100 free compute, once per phone number
Max session: Not listed

Visit site Sendblue Sandboxes profile

What is different

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

Field

Sandock

Sendblue Sandboxes

Free tier: Sandock: None; Sendblue Sandboxes: $100 free compute, once per phone number
Idle stop: Sandock: After 30 minutes; Sendblue Sandboxes: After 10 minutes
Largest sandbox: Sandock: 8 vCPU · 8 GiB; Sendblue Sandboxes: 2 vCPU · 8 GiB
Concurrent sandboxes: Sandock: Up to 150; Sendblue Sandboxes: Up to 5
Pause and resume: Sandock:; Sendblue Sandboxes: No

Full comparison

18 fields, at each provider's list price

Sandocksandock.ai/pricing

Sendblue Sandboxessendblue.com/sandboxessendblue.com

Pricing

vCPU, per hour: Sandock: Not listed; Sendblue Sandboxes: $0.165
RAM, per GiB-hour: Sandock: Not listed; Sendblue Sandboxes: Included
Storage: Sandock: Not listed; Sendblue Sandboxes: Not listed
Free tier: Sandock: None; Sendblue Sandboxes: $100 free compute, once per phone number
Paid plan from: Sandock: $5 / month; Sendblue Sandboxes: Not listed
Billing: Sandock: Not listed; Sendblue Sandboxes: Bundled machine time

Limits

Max session: Sandock: 8 hours; Sendblue Sandboxes: Not listed
Idle stop: Sandock: After 30 minutes; Sendblue Sandboxes: After 10 minutes
Largest sandbox: Sandock: 8 vCPU · 8 GiB; Sendblue Sandboxes: 2 vCPU · 8 GiB
Concurrent sandboxes: Sandock: Up to 150; Sendblue Sandboxes: Up to 5

Platform

Isolation: Sandock: Container; Sendblue Sandboxes: Container
GPU: Sandock: Not listed; Sendblue Sandboxes: Not listed
Snapshots: Sandock: Not listed; Sendblue Sandboxes: Not listed
Pause and resume: Sandock:; Sendblue Sandboxes: No

Developer

SDKs: Sandock: JavaScript / TypeScript; Sendblue Sandboxes: Not listed
Integrations: Sandock: MCP; Sendblue Sandboxes: Not listed

Trust

License: Sandock: MIT; Sendblue Sandboxes: Not listed
BYOC: Sandock: Private / VPC deployment on Enterprise; Sendblue Sandboxes: Not listed

Hourly cost

One sandbox running for one hour

Size

Sandock

Sendblue Sandboxes

1 vCPU · 2 GiB: Sandock: Not listed; Sendblue Sandboxes: $0.165
2 vCPU · 4 GiB: Sandock: Not listed; Sendblue Sandboxes: $0.330
4 vCPU · 8 GiB: Sandock: Not listed; Sendblue Sandboxes: $0.660

Compute only, at list rates.

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Which one fits

Based on the fields above

Sandock fits when

You want an open-source platform (MIT) that you can self-host.
You use MCP.
You need pause and resume.
You need the sandboxes in your own cloud account.

Sendblue Sandboxes fits when

You want to start without paying.

More comparisons

See all comparisons

Sandock

Sendblue Sandboxes

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Sandock fits when

Sendblue Sandboxes fits when

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