Fly.io Sprites vs Freestyle VMs

Fly.io Sprites costs $0.0385 per vCPU-hour and Freestyle VMs costs $0.04032 per vCPU-hour. Fly.io Sprites runs microVMs. Freestyle VMs runs full VMs.

Updated Oct 14, 2026

Fly.io Sprites

Persistent Linux computers that sleep when idle.

Isolation: MicroVM
Free tier: $30 trial credit
Max session: Not listed

Visit site Fly.io Sprites 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

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

Field

Fly.io Sprites

Freestyle VMs

vCPU, per hour: Fly.io Sprites: $0.0385; Freestyle VMs: $0.04032
RAM, per GiB-hour: Fly.io Sprites: $0.021875; Freestyle VMs: $0.0129
Storage: Fly.io Sprites: $0.000683 per GiB-hour; Freestyle VMs: $0.000086 per GiB-hour
Free tier: Fly.io Sprites: $30 trial credit; Freestyle VMs: Free plan, $0 forever
Paid plan from: Fly.io Sprites: Pay as you go; Freestyle VMs: $50 / month
Billing: Fly.io Sprites: Active CPU time only; Freestyle VMs: Per second
Isolation: Fly.io Sprites: MicroVM; Freestyle VMs: Full VM
SDKs: Fly.io Sprites: Python, JavaScript / TypeScript, Go; Freestyle VMs: JavaScript
Integrations: Fly.io Sprites: MCP, OpenAI Agents SDK; Freestyle VMs: OpenAI Agents SDK, Claude Agent SDK

Full comparison

18 fields, at each provider's list price

Fly.io Spritesfly.io/pricing

Freestyle VMsfreestyle.sh/pricingfreestyle.sh

Pricing

vCPU, per hour: Fly.io Sprites: $0.0385; Freestyle VMs: $0.04032
RAM, per GiB-hour: Fly.io Sprites: $0.021875; Freestyle VMs: $0.0129
Storage: Fly.io Sprites: $0.000683 per GiB-hour; Freestyle VMs: $0.000086 per GiB-hour
Free tier: Fly.io Sprites: $30 trial credit; Freestyle VMs: Free plan, $0 forever
Paid plan from: Fly.io Sprites: Pay as you go; Freestyle VMs: $50 / month
Billing: Fly.io Sprites: Active CPU time only; Freestyle VMs: Per second

Limits

Max session: Fly.io Sprites: Not listed; Freestyle VMs: Not listed
Idle stop: Fly.io Sprites: Not listed; Freestyle VMs: Not listed
Largest sandbox: Fly.io Sprites: Not listed; Freestyle VMs: 32 vCPU · 64 GiB
Concurrent sandboxes: Fly.io Sprites: Not listed; Freestyle VMs: Up to 400

Platform

Isolation: Fly.io Sprites: MicroVM; Freestyle VMs: Full VM
GPU: Fly.io Sprites: Not listed; Freestyle VMs: Not listed
Snapshots: Fly.io Sprites:; Freestyle VMs:
Pause and resume: Fly.io Sprites:; Freestyle VMs:

Developer

SDKs: Fly.io Sprites: Python, JavaScript / TypeScript, Go; Freestyle VMs: JavaScript
Integrations: Fly.io Sprites: MCP, OpenAI Agents SDK; Freestyle VMs: OpenAI Agents SDK, Claude Agent SDK

Trust

License: Fly.io Sprites: Not listed; Freestyle VMs: Not listed
BYOC: Fly.io Sprites: Not listed; Freestyle VMs: Not listed

Hourly cost

One sandbox running for one hour

Size

Fly.io Sprites

Freestyle VMs

1 vCPU · 2 GiB: Fly.io Sprites: $0.082; Freestyle VMs: $0.066
2 vCPU · 4 GiB: Fly.io Sprites: $0.165; Freestyle VMs: $0.132
4 vCPU · 8 GiB: Fly.io Sprites: $0.329; Freestyle VMs: $0.264

Compute only, at list rates.

Open the calculator

Which one fits

Based on the fields above

Fly.io Sprites fits when

You want to pay only for usage, with no plan fee.
You want each sandbox in its own microVM.
You use MCP.
Your code waits a lot: CPU is billed only while it is in use.

Freestyle VMs fits when

You want each sandbox to be a full VM.
You use the Claude Agent SDK.
You want the lower list price: $0.132 against $0.165 an hour for 2 vCPU and 4 GiB.
You need a desktop in the sandbox.

More comparisons

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Fly.io Sprites

Freestyle VMs

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Fly.io Sprites fits when

Freestyle VMs fits when

More comparisons

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