Fly.io Sprites vs Maritime

Fly.io Sprites costs $0.0385 per vCPU-hour. Fly.io Sprites runs microVMs. Maritime runs Firecracker microVMs.

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

Maritime

Hosting for persistent AI agents, each in its own micro-VM.

Isolation: Firecracker microVM
Free tier: 3 agents, forever
Max session: Not listed

Visit site Maritime profile

What is different

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

Field

Fly.io Sprites

Maritime

Storage: Fly.io Sprites: $0.000683 per GiB-hour; Maritime: $2 per extra 5 GB per machine per month on Starter, $0.75 on Dedicated
Free tier: Fly.io Sprites: $30 trial credit; Maritime: 3 agents, forever
Paid plan from: Fly.io Sprites: Pay as you go; Maritime: $20 / month
Isolation: Fly.io Sprites: MicroVM; Maritime: Firecracker microVM
SDKs: Fly.io Sprites: Python, JavaScript / TypeScript, Go; Maritime: TypeScript, Python

Full comparison

18 fields, at each provider's list price

Fly.io Spritesfly.io/pricing

Maritimemaritime.sh/pricingmaritime.sh

Pricing

vCPU, per hour: Fly.io Sprites: $0.0385; Maritime: Not listed
RAM, per GiB-hour: Fly.io Sprites: $0.021875; Maritime: Not listed
Storage: Fly.io Sprites: $0.000683 per GiB-hour; Maritime: $2 per extra 5 GB per machine per month on Starter, $0.75 on Dedicated
Free tier: Fly.io Sprites: $30 trial credit; Maritime: 3 agents, forever
Paid plan from: Fly.io Sprites: Pay as you go; Maritime: $20 / month
Billing: Fly.io Sprites: Active CPU time only; Maritime: Not listed

Limits

Max session: Fly.io Sprites: Not listed; Maritime: Not listed
Idle stop: Fly.io Sprites: Not listed; Maritime: Not listed
Largest sandbox: Fly.io Sprites: Not listed; Maritime: 1 vCPU · 8 GiB
Concurrent sandboxes: Fly.io Sprites: Not listed; Maritime: Up to 500

Platform

Isolation: Fly.io Sprites: MicroVM; Maritime: Firecracker microVM
GPU: Fly.io Sprites: Not listed; Maritime: Not listed
Snapshots: Fly.io Sprites:; Maritime: Not listed
Pause and resume: Fly.io Sprites:; Maritime:

Developer

SDKs: Fly.io Sprites: Python, JavaScript / TypeScript, Go; Maritime: TypeScript, Python
Integrations: Fly.io Sprites: MCP, OpenAI Agents SDK; Maritime: Not listed

Trust

License: Fly.io Sprites: Not listed; Maritime: Not listed
BYOC: Fly.io Sprites: Not listed; Maritime: Not listed

Hourly cost

One sandbox running for one hour

Size

Fly.io Sprites

Maritime

1 vCPU · 2 GiB: Fly.io Sprites: $0.082; Maritime: Not listed
2 vCPU · 4 GiB: Fly.io Sprites: $0.165; Maritime: Not listed
4 vCPU · 8 GiB: Fly.io Sprites: $0.329; Maritime: Not listed

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 use MCP or the OpenAI Agents SDK.
You need snapshots.
Your code waits a lot: CPU is billed only while it is in use.

Maritime fits when

You need a desktop in the sandbox.

More comparisons

See all comparisons

Fly.io Sprites

Maritime

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Fly.io Sprites fits when

Maritime fits when

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