AWS Lambda MicroVMs vs microsandbox cloud

AWS Lambda MicroVMs costs $0.0997 per vCPU-hour and microsandbox cloud costs $0.05 per vCPU-hour. AWS Lambda MicroVMs runs Firecracker microVMs and limits a session to 8 hours. microsandbox cloud runs microVMs.

Updated Oct 14, 2026

AWS Lambda MicroVMs

Serverless microVMs on AWS that suspend when idle.

Isolation: Firecracker microVM
Free tier: Not listed
Max session: 8 hours

Visit site AWS Lambda MicroVMs profile

microsandbox cloud

Hosted microVM sandboxes for AI agents and untrusted code.

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

Visit site microsandbox cloud profile

What is different

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

Field

AWS Lambda MicroVMs

microsandbox cloud

vCPU, per hour: AWS Lambda MicroVMs: $0.0997; microsandbox cloud: $0.05
RAM, per GiB-hour: AWS Lambda MicroVMs: $0.0132; microsandbox cloud: $0.0162
Storage: AWS Lambda MicroVMs: Snapshot storage $0.08 per GB-month (US East). Snapshot reads and writes are billed per GB.; microsandbox cloud: $0.0001 per GiB-hour
Isolation: AWS Lambda MicroVMs: Firecracker microVM; microsandbox cloud: MicroVM
Pause and resume: AWS Lambda MicroVMs:; microsandbox cloud: No
SDKs: AWS Lambda MicroVMs: Python, JavaScript; microsandbox cloud: Python, TypeScript, Rust, Go, Ruby

Full comparison

18 fields, at each provider's list price

AWS Lambda MicroVMsaws.amazon.com/lambda/pricingaws.amazon.com

microsandbox cloudmicrosandbox.dev/pricingmicrosandbox.dev

Pricing

vCPU, per hour: AWS Lambda MicroVMs: $0.0997; microsandbox cloud: $0.05
RAM, per GiB-hour: AWS Lambda MicroVMs: $0.0132; microsandbox cloud: $0.0162
Storage: AWS Lambda MicroVMs: Snapshot storage $0.08 per GB-month (US East). Snapshot reads and writes are billed per GB.; microsandbox cloud: $0.0001 per GiB-hour
Free tier: AWS Lambda MicroVMs: Not listed; microsandbox cloud: Free plan, 5 computer-hours a month
Paid plan from: AWS Lambda MicroVMs: Not listed; microsandbox cloud: $49 / month
Billing: AWS Lambda MicroVMs: Per second; microsandbox cloud: Per second

Limits

Max session: AWS Lambda MicroVMs: 8 hours; microsandbox cloud: Not listed
Idle stop: AWS Lambda MicroVMs: Not listed; microsandbox cloud: Not listed
Largest sandbox: AWS Lambda MicroVMs: 4 vCPU · 8 GiB; microsandbox cloud: Not listed
Concurrent sandboxes: AWS Lambda MicroVMs: Not listed; microsandbox cloud: Up to 25,000

Platform

Isolation: AWS Lambda MicroVMs: Firecracker microVM; microsandbox cloud: MicroVM
GPU: AWS Lambda MicroVMs: Not listed; microsandbox cloud: No
Snapshots: AWS Lambda MicroVMs:; microsandbox cloud:
Pause and resume: AWS Lambda MicroVMs:; microsandbox cloud: No

Developer

SDKs: AWS Lambda MicroVMs: Python, JavaScript; microsandbox cloud: Python, TypeScript, Rust, Go, Ruby
Integrations: AWS Lambda MicroVMs: Not listed; microsandbox cloud: Not listed

Trust

License: AWS Lambda MicroVMs: Not listed; microsandbox cloud: Apache-2.0
BYOC: AWS Lambda MicroVMs: Not listed; microsandbox cloud: Not listed

Hourly cost

One sandbox running for one hour

Size

AWS Lambda MicroVMs

microsandbox cloud

1 vCPU · 2 GiB: AWS Lambda MicroVMs: $0.126; microsandbox cloud: $0.082
2 vCPU · 4 GiB: AWS Lambda MicroVMs: $0.252; microsandbox cloud: $0.165
4 vCPU · 8 GiB: AWS Lambda MicroVMs: $0.504; microsandbox cloud: $0.330

Compute only, at list rates.

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Which one fits

Based on the fields above

AWS Lambda MicroVMs fits when

You need pause and resume.

microsandbox cloud fits when

You want an open-source platform (Apache-2.0) that you can self-host.
You want the lower list price: $0.165 against $0.252 an hour for 2 vCPU and 4 GiB.

More comparisons

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AWS Lambda MicroVMs

microsandbox cloud

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

AWS Lambda MicroVMs fits when

microsandbox cloud fits when

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