AWS Lambda MicroVMs vs Solari

AWS Lambda MicroVMs costs $0.0997 per vCPU-hour and Solari costs $0.0525 per vCPU-hour. AWS Lambda MicroVMs runs Firecracker microVMs and limits a session to 8 hours. Solari runs Cloud Hypervisor microVMs and limits a session to 24 hours.

Updated Oct 23, 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

Solari

One API for cloud browsers, headless microVM sandboxes and desktop VMs for AI agents.

Isolation: Cloud Hypervisor microVM
Free tier: $3 credit every month
Max session: 24 hours

Visit site Solari profile

What is different

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

Field

AWS Lambda MicroVMs

Solari

vCPU, per hour: AWS Lambda MicroVMs: $0.0997; Solari: $0.0525
RAM, per GiB-hour: AWS Lambda MicroVMs: $0.0132; Solari: $0.0165
Storage: AWS Lambda MicroVMs: Snapshot storage $0.08 per GB-month (US East). Snapshot write $0.0038 per GB. Snapshot read $0.00155 per GB.; Solari: Snapshots $0.05 per GB-month, the first 10 GB per organization free, from October 1, 2026.
Max session: AWS Lambda MicroVMs: 8 hours; Solari: 24 hours
Largest sandbox: AWS Lambda MicroVMs: 4 vCPU · 8 GiB; Solari: 8 vCPU · 16 GiB
Isolation: AWS Lambda MicroVMs: Firecracker microVM; Solari: Cloud Hypervisor microVM
SDKs: AWS Lambda MicroVMs: Python, JavaScript; Solari: TypeScript, Python, Go, Rust

Full comparison

18 fields, at each provider's list price

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

Solaridocs.getsolari.com/pricingdocs.getsolari.com

Pricing

vCPU, per hour: AWS Lambda MicroVMs: $0.0997; Solari: $0.0525
RAM, per GiB-hour: AWS Lambda MicroVMs: $0.0132; Solari: $0.0165
Storage: AWS Lambda MicroVMs: Snapshot storage $0.08 per GB-month (US East). Snapshot write $0.0038 per GB. Snapshot read $0.00155 per GB.; Solari: Snapshots $0.05 per GB-month, the first 10 GB per organization free, from October 1, 2026.
Free tier: AWS Lambda MicroVMs: Not listed; Solari: $3 credit every month
Paid plan from: AWS Lambda MicroVMs: Not listed; Solari: $20 / month
Billing: AWS Lambda MicroVMs: Per second; Solari: Per second

Limits

Max session: AWS Lambda MicroVMs: 8 hours; Solari: 24 hours
Idle stop: AWS Lambda MicroVMs: Not listed; Solari: Not listed
Largest sandbox: AWS Lambda MicroVMs: 4 vCPU · 8 GiB; Solari: 8 vCPU · 16 GiB
Concurrent sandboxes: AWS Lambda MicroVMs: Not listed; Solari: Up to 10

Platform

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

Developer

SDKs: AWS Lambda MicroVMs: Python, JavaScript; Solari: TypeScript, Python, Go, Rust
Integrations: AWS Lambda MicroVMs: Not listed; Solari: MCP, Claude Code

Trust

License: AWS Lambda MicroVMs: Not listed; Solari: Not listed
BYOC: AWS Lambda MicroVMs: Not listed; Solari: Enterprise plan, in your own VPC

Hourly cost

One sandbox running for one hour

Size

AWS Lambda MicroVMs

Solari

1 vCPU · 2 GiB: AWS Lambda MicroVMs: $0.126; Solari: $0.086
2 vCPU · 4 GiB: AWS Lambda MicroVMs: $0.252; Solari: $0.171
4 vCPU · 8 GiB: AWS Lambda MicroVMs: $0.504; Solari: $0.342

Compute only, at list rates.

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Which one fits

Based on the fields above

Solari fits when

A session must run longer than 8 hours.
You use MCP or Claude Code.
You want the lower list price: $0.171 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

Solari

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

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