microsandbox cloud vs Sendblue Sandboxes

microsandbox cloud costs $0.05 per vCPU-hour and Sendblue Sandboxes costs $0.165 per vCPU-hour. microsandbox cloud runs microVMs. Sendblue Sandboxes runs containers.

Updated

microsandbox cloud

Isolation
MicroVM
Free tier
Free plan, 5 computer-hours a month
Max session
Not listed

Sendblue Sandboxes

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

What is different

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

microsandbox cloud
Sendblue Sandboxes
vCPU, per hour
microsandbox cloud: $0.05
Sendblue Sandboxes: $0.165
RAM, per GiB-hour
microsandbox cloud: $0.0162
Sendblue Sandboxes: Included
Free tier
microsandbox cloud: Free plan, 5 computer-hours a month
Sendblue Sandboxes: $100 free compute, once per phone number
Billing
microsandbox cloud: Per second
Sendblue Sandboxes: Bundled machine time
Concurrent sandboxes
microsandbox cloud: Up to 25,000
Sendblue Sandboxes: Up to 5
Isolation
microsandbox cloud: MicroVM
Sendblue Sandboxes: Container

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
microsandbox cloud: $0.05
Sendblue Sandboxes: $0.165
RAM, per GiB-hour
microsandbox cloud: $0.0162
Sendblue Sandboxes: Included
Storage
microsandbox cloud: $0.0001 per GiB-hour
Sendblue Sandboxes: Not listed
Free tier
microsandbox cloud: Free plan, 5 computer-hours a month
Sendblue Sandboxes: $100 free compute, once per phone number
Paid plan from
microsandbox cloud: $49 / month
Sendblue Sandboxes: Not listed
Billing
microsandbox cloud: Per second
Sendblue Sandboxes: Bundled machine time

Limits

Max session
microsandbox cloud: Not listed
Sendblue Sandboxes: Not listed
Idle stop
microsandbox cloud: Not listed
Sendblue Sandboxes: After 10 minutes
Largest sandbox
microsandbox cloud: Not listed
Sendblue Sandboxes: 2 vCPU · 8 GiB
Concurrent sandboxes
microsandbox cloud: Up to 25,000
Sendblue Sandboxes: Up to 5

Platform

Isolation
microsandbox cloud: MicroVM
Sendblue Sandboxes: Container
GPU
microsandbox cloud: Not listed
Sendblue Sandboxes: Not listed
Snapshots
microsandbox cloud:
Sendblue Sandboxes: Not listed
Pause and resume
microsandbox cloud: No
Sendblue Sandboxes: No

Developer

SDKs
microsandbox cloud: Python, TypeScript, Rust, Go, Ruby
Sendblue Sandboxes: Not listed
Integrations
microsandbox cloud: Claude Code, MCP
Sendblue Sandboxes: Not listed

Trust

License
microsandbox cloud: Apache-2.0
Sendblue Sandboxes: Not listed
BYOC
microsandbox cloud: By evaluation, contact us
Sendblue Sandboxes: Not listed

Hourly cost

One sandbox running for one hour

microsandbox cloud
Sendblue Sandboxes
1 vCPU · 2 GiB
microsandbox cloud: $0.082
Sendblue Sandboxes: $0.165
2 vCPU · 4 GiB
microsandbox cloud: $0.165
Sendblue Sandboxes: $0.330
4 vCPU · 8 GiB
microsandbox cloud: $0.330
Sendblue Sandboxes: $0.660

Compute only, at list rates.

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Which one fits

Based on the fields above

microsandbox cloud fits when

  • You want each sandbox in its own microVM.
  • You want an open-source platform (Apache-2.0) that you can self-host.
  • You use Claude Code or MCP.
  • You want the lower list price: $0.165 against $0.330 an hour for 2 vCPU and 4 GiB.

More comparisons

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