AWS Lambda MicroVMs vs Cloudflare Sandbox

AWS Lambda MicroVMs costs $0.0997 per vCPU-hour and Cloudflare Sandbox costs $0.072 per vCPU-hour. AWS Lambda MicroVMs runs Firecracker microVMs and limits a session to 8 hours. Cloudflare Sandbox runs Firecracker microVMs.

Updated

AWS Lambda MicroVMs

Isolation
Firecracker microVM
Free tier
Not listed
Max session
8 hours

Cloudflare Sandbox

Isolation
Firecracker microVM
Free tier
None
Max session
Not listed

What is different

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

AWS Lambda MicroVMs
Cloudflare Sandbox
vCPU, per hour
AWS Lambda MicroVMs: $0.0997
Cloudflare Sandbox: $0.072
RAM, per GiB-hour
AWS Lambda MicroVMs: $0.0132
Cloudflare Sandbox: $0.009
Storage
AWS Lambda MicroVMs: Snapshot storage $0.08 per GB-month (US East). Snapshot reads and writes are billed per GB.
Cloudflare Sandbox: $0.000252 per GiB-hour
Billing
AWS Lambda MicroVMs: Per second
Cloudflare Sandbox: Active CPU time only
Largest sandbox
AWS Lambda MicroVMs: 4 vCPU · 8 GiB
Cloudflare Sandbox: 4 vCPU · 12 GiB
SDKs
AWS Lambda MicroVMs: Python, JavaScript
Cloudflare Sandbox: TypeScript

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
AWS Lambda MicroVMs: $0.0997
Cloudflare Sandbox: $0.072
RAM, per GiB-hour
AWS Lambda MicroVMs: $0.0132
Cloudflare Sandbox: $0.009
Storage
AWS Lambda MicroVMs: Snapshot storage $0.08 per GB-month (US East). Snapshot reads and writes are billed per GB.
Cloudflare Sandbox: $0.000252 per GiB-hour
Free tier
AWS Lambda MicroVMs: Not listed
Cloudflare Sandbox: None
Paid plan from
AWS Lambda MicroVMs: Not listed
Cloudflare Sandbox: $5 / month
Billing
AWS Lambda MicroVMs: Per second
Cloudflare Sandbox: Active CPU time only

Limits

Max session
AWS Lambda MicroVMs: 8 hours
Cloudflare Sandbox: Not listed
Idle stop
AWS Lambda MicroVMs: Not listed
Cloudflare Sandbox: Not listed
Largest sandbox
AWS Lambda MicroVMs: 4 vCPU · 8 GiB
Cloudflare Sandbox: 4 vCPU · 12 GiB
Concurrent sandboxes
AWS Lambda MicroVMs: Not listed
Cloudflare Sandbox: Not listed

Platform

Isolation
AWS Lambda MicroVMs: Firecracker microVM
Cloudflare Sandbox: Firecracker microVM
GPU
AWS Lambda MicroVMs: Not listed
Cloudflare Sandbox: Not listed
Snapshots
AWS Lambda MicroVMs:
Cloudflare Sandbox:
Pause and resume
AWS Lambda MicroVMs:
Cloudflare Sandbox: Not listed

Developer

SDKs
AWS Lambda MicroVMs: Python, JavaScript
Cloudflare Sandbox: TypeScript
Integrations
AWS Lambda MicroVMs: Not listed
Cloudflare Sandbox: Not listed

Trust

License
AWS Lambda MicroVMs: Not listed
Cloudflare Sandbox: Not listed
BYOC
AWS Lambda MicroVMs: Not listed
Cloudflare Sandbox: Not listed

Hourly cost

One sandbox running for one hour

AWS Lambda MicroVMs
Cloudflare Sandbox
1 vCPU · 2 GiB
AWS Lambda MicroVMs: $0.126
Cloudflare Sandbox: $0.090
2 vCPU · 4 GiB
AWS Lambda MicroVMs: $0.252
Cloudflare Sandbox: $0.180
4 vCPU · 8 GiB
AWS Lambda MicroVMs: $0.504
Cloudflare Sandbox: $0.360

Compute only, at list rates.

Open the calculator

Which one fits

Based on the fields above

AWS Lambda MicroVMs fits when

  • You need pause and resume.

Cloudflare Sandbox fits when

  • You want the lower list price: $0.180 against $0.252 an hour for 2 vCPU and 4 GiB.
  • Your code waits a lot: CPU is billed only while it is in use.
  • You need a sandbox larger than 4 vCPU · 8 GiB.

More comparisons

See all comparisons

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