AWS Lambda MicroVMs vs Runloop

AWS Lambda MicroVMs costs $0.0997 per vCPU-hour and Runloop costs $0.108 per vCPU-hour. AWS Lambda MicroVMs runs Firecracker microVMs and limits a session to 8 hours. Runloop 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

Runloop

Devboxes built for coding agents.

Isolation: MicroVM
Free tier: $50 credit
Max session: Not listed

Visit site Runloop profile

What is different

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

Field

AWS Lambda MicroVMs

Runloop

vCPU, per hour: AWS Lambda MicroVMs: $0.0997; Runloop: $0.108
RAM, per GiB-hour: AWS Lambda MicroVMs: $0.0132; Runloop: $0.0252
Storage: AWS Lambda MicroVMs: Snapshot storage $0.08 per GB-month (US East). Snapshot reads and writes are billed per GB.; Runloop: $0.00034236 per GiB-hour
Largest sandbox: AWS Lambda MicroVMs: 4 vCPU · 8 GiB; Runloop: 16 vCPU · 64 GiB
Isolation: AWS Lambda MicroVMs: Firecracker microVM; Runloop: MicroVM
SDKs: AWS Lambda MicroVMs: Python, JavaScript; Runloop: Python, TypeScript

Full comparison

18 fields, at each provider's list price

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

Runlooprunloop.ai/pricing

Pricing

vCPU, per hour: AWS Lambda MicroVMs: $0.0997; Runloop: $0.108
RAM, per GiB-hour: AWS Lambda MicroVMs: $0.0132; Runloop: $0.0252
Storage: AWS Lambda MicroVMs: Snapshot storage $0.08 per GB-month (US East). Snapshot reads and writes are billed per GB.; Runloop: $0.00034236 per GiB-hour
Free tier: AWS Lambda MicroVMs: Not listed; Runloop: $50 credit
Paid plan from: AWS Lambda MicroVMs: Not listed; Runloop: Pay as you go
Billing: AWS Lambda MicroVMs: Per second; Runloop: Per second

Limits

Max session: AWS Lambda MicroVMs: 8 hours; Runloop: Not listed
Idle stop: AWS Lambda MicroVMs: Not listed; Runloop: Not listed
Largest sandbox: AWS Lambda MicroVMs: 4 vCPU · 8 GiB; Runloop: 16 vCPU · 64 GiB
Concurrent sandboxes: AWS Lambda MicroVMs: Not listed; Runloop: Not listed

Platform

Isolation: AWS Lambda MicroVMs: Firecracker microVM; Runloop: MicroVM
GPU: AWS Lambda MicroVMs: Not listed; Runloop: Not listed
Snapshots: AWS Lambda MicroVMs:; Runloop:
Pause and resume: AWS Lambda MicroVMs:; Runloop:

Developer

SDKs: AWS Lambda MicroVMs: Python, JavaScript; Runloop: Python, TypeScript
Integrations: AWS Lambda MicroVMs: Not listed; Runloop: OpenAI Agents SDK, MCP

Trust

License: AWS Lambda MicroVMs: Not listed; Runloop: Not listed
BYOC: AWS Lambda MicroVMs: Not listed; Runloop: Deploy to VPC, Enterprise plan

Hourly cost

One sandbox running for one hour

Size

AWS Lambda MicroVMs

Runloop

1 vCPU · 2 GiB: AWS Lambda MicroVMs: $0.126; Runloop: $0.158
2 vCPU · 4 GiB: AWS Lambda MicroVMs: $0.252; Runloop: $0.317
4 vCPU · 8 GiB: AWS Lambda MicroVMs: $0.504; Runloop: $0.634

Compute only, at list rates.

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Which one fits

Based on the fields above

AWS Lambda MicroVMs fits when

You want the lower list price: $0.252 against $0.317 an hour for 2 vCPU and 4 GiB.

Runloop fits when

You use the OpenAI Agents SDK or MCP.
You need a desktop in the sandbox.
You need the sandboxes in your own cloud account.
You need a sandbox larger than 4 vCPU · 8 GiB.

More comparisons

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AWS Lambda MicroVMs

Runloop

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

AWS Lambda MicroVMs fits when

Runloop fits when

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