AWS Lambda MicroVMs vs Freestyle VMs

AWS Lambda MicroVMs costs $0.0997 per vCPU-hour and Freestyle VMs costs $0.04032 per vCPU-hour. AWS Lambda MicroVMs runs Firecracker microVMs and limits a session to 8 hours. Freestyle VMs runs full VMs.

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

Freestyle VMs

Full Linux virtual machines for AI agents.

Isolation: Full VM
Free tier: Free plan, $0 forever
Max session: Not listed

Visit site Freestyle VMs profile

What is different

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

Field

AWS Lambda MicroVMs

Freestyle VMs

vCPU, per hour: AWS Lambda MicroVMs: $0.0997; Freestyle VMs: $0.04032
RAM, per GiB-hour: AWS Lambda MicroVMs: $0.0132; Freestyle VMs: $0.0129
Storage: AWS Lambda MicroVMs: Snapshot storage $0.08 per GB-month (US East). Snapshot reads and writes are billed per GB.; Freestyle VMs: $0.000086 per GiB-hour
Largest sandbox: AWS Lambda MicroVMs: 4 vCPU · 8 GiB; Freestyle VMs: 32 vCPU · 64 GiB
Isolation: AWS Lambda MicroVMs: Firecracker microVM; Freestyle VMs: Full VM
SDKs: AWS Lambda MicroVMs: Python, JavaScript; Freestyle VMs: JavaScript

Full comparison

18 fields, at each provider's list price

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

Freestyle VMsfreestyle.sh/pricingfreestyle.sh

Pricing

vCPU, per hour: AWS Lambda MicroVMs: $0.0997; Freestyle VMs: $0.04032
RAM, per GiB-hour: AWS Lambda MicroVMs: $0.0132; Freestyle VMs: $0.0129
Storage: AWS Lambda MicroVMs: Snapshot storage $0.08 per GB-month (US East). Snapshot reads and writes are billed per GB.; Freestyle VMs: $0.000086 per GiB-hour
Free tier: AWS Lambda MicroVMs: Not listed; Freestyle VMs: Free plan, $0 forever
Paid plan from: AWS Lambda MicroVMs: Not listed; Freestyle VMs: $50 / month
Billing: AWS Lambda MicroVMs: Per second; Freestyle VMs: Per second

Limits

Max session: AWS Lambda MicroVMs: 8 hours; Freestyle VMs: Not listed
Idle stop: AWS Lambda MicroVMs: Not listed; Freestyle VMs: Not listed
Largest sandbox: AWS Lambda MicroVMs: 4 vCPU · 8 GiB; Freestyle VMs: 32 vCPU · 64 GiB
Concurrent sandboxes: AWS Lambda MicroVMs: Not listed; Freestyle VMs: Up to 400

Platform

Isolation: AWS Lambda MicroVMs: Firecracker microVM; Freestyle VMs: Full VM
GPU: AWS Lambda MicroVMs: Not listed; Freestyle VMs: Not listed
Snapshots: AWS Lambda MicroVMs:; Freestyle VMs:
Pause and resume: AWS Lambda MicroVMs:; Freestyle VMs:

Developer

SDKs: AWS Lambda MicroVMs: Python, JavaScript; Freestyle VMs: JavaScript
Integrations: AWS Lambda MicroVMs: Not listed; Freestyle VMs: OpenAI Agents SDK, Claude Agent SDK

Trust

License: AWS Lambda MicroVMs: Not listed; Freestyle VMs: Not listed
BYOC: AWS Lambda MicroVMs: Not listed; Freestyle VMs: Not listed

Hourly cost

One sandbox running for one hour

Size

AWS Lambda MicroVMs

Freestyle VMs

1 vCPU · 2 GiB: AWS Lambda MicroVMs: $0.126; Freestyle VMs: $0.066
2 vCPU · 4 GiB: AWS Lambda MicroVMs: $0.252; Freestyle VMs: $0.132
4 vCPU · 8 GiB: AWS Lambda MicroVMs: $0.504; Freestyle VMs: $0.264

Compute only, at list rates.

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Which one fits

Based on the fields above

AWS Lambda MicroVMs fits when

You want each sandbox in its own microVM.

Freestyle VMs fits when

You want each sandbox to be a full VM.
You use the OpenAI Agents SDK or the Claude Agent SDK.
You want the lower list price: $0.132 against $0.252 an hour for 2 vCPU and 4 GiB.
You need a desktop in the sandbox.

More comparisons

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AWS Lambda MicroVMs

Freestyle VMs

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

AWS Lambda MicroVMs fits when

Freestyle VMs fits when

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