AWS Lambda MicroVMs vs Celesto Cloud

AWS Lambda MicroVMs costs $0.0997 per vCPU-hour and Celesto Cloud costs $0.015 per vCPU-hour. AWS Lambda MicroVMs runs Firecracker microVMs and limits a session to 8 hours. Celesto 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

Celesto Cloud

Cloud computers for AI agents, each in a microVM.

Isolation: MicroVM
Free tier: $5 runtime credit, one time, 30 days
Max session: Not listed

Visit site Celesto Cloud profile

What is different

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

Field

AWS Lambda MicroVMs

Celesto Cloud

vCPU, per hour: AWS Lambda MicroVMs: $0.0997; Celesto Cloud: $0.015
RAM, per GiB-hour: AWS Lambda MicroVMs: $0.0132; Celesto Cloud: Included
Storage: AWS Lambda MicroVMs: Snapshot storage $0.08 per GB-month (US East). Snapshot reads and writes are billed per GB.; Celesto Cloud: Free
Billing: AWS Lambda MicroVMs: Per second; Celesto Cloud: Bundled machine time
Largest sandbox: AWS Lambda MicroVMs: 4 vCPU · 8 GiB; Celesto Cloud: 8 vCPU · 32 GiB
Isolation: AWS Lambda MicroVMs: Firecracker microVM; Celesto Cloud: MicroVM
SDKs: AWS Lambda MicroVMs: Python, JavaScript; Celesto Cloud: Python, JavaScript / TypeScript

Full comparison

18 fields, at each provider's list price

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

Celesto Cloudcelesto.ai/pricing

Pricing

vCPU, per hour: AWS Lambda MicroVMs: $0.0997; Celesto Cloud: $0.015
RAM, per GiB-hour: AWS Lambda MicroVMs: $0.0132; Celesto Cloud: Included
Storage: AWS Lambda MicroVMs: Snapshot storage $0.08 per GB-month (US East). Snapshot reads and writes are billed per GB.; Celesto Cloud: Free
Free tier: AWS Lambda MicroVMs: Not listed; Celesto Cloud: $5 runtime credit, one time, 30 days
Paid plan from: AWS Lambda MicroVMs: Not listed; Celesto Cloud: Pay as you go
Billing: AWS Lambda MicroVMs: Per second; Celesto Cloud: Bundled machine time

Limits

Max session: AWS Lambda MicroVMs: 8 hours; Celesto Cloud: Not listed
Idle stop: AWS Lambda MicroVMs: Not listed; Celesto Cloud: Not listed
Largest sandbox: AWS Lambda MicroVMs: 4 vCPU · 8 GiB; Celesto Cloud: 8 vCPU · 32 GiB
Concurrent sandboxes: AWS Lambda MicroVMs: Not listed; Celesto Cloud: Up to 10

Platform

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

Developer

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

Trust

License: AWS Lambda MicroVMs: Not listed; Celesto Cloud: Apache-2.0
BYOC: AWS Lambda MicroVMs: Not listed; Celesto Cloud: Not listed

Hourly cost

One sandbox running for one hour

Size

AWS Lambda MicroVMs

Celesto Cloud

1 vCPU · 2 GiB: AWS Lambda MicroVMs: $0.126; Celesto Cloud: $0.015
2 vCPU · 4 GiB: AWS Lambda MicroVMs: $0.252; Celesto Cloud: $0.030
4 vCPU · 8 GiB: AWS Lambda MicroVMs: $0.504; Celesto Cloud: $0.060

Compute only, at list rates.

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Which one fits

Based on the fields above

Celesto Cloud fits when

You want an open-source platform (Apache-2.0).
You use MCP or the OpenAI Agents SDK.
You want the lower list price: $0.030 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

Celesto Cloud

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Celesto Cloud fits when

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