boat vs Fly.io Sprites

boat costs $0.009 per vCPU-hour and Fly.io Sprites costs $0.0385 per vCPU-hour. boat runs full VMs and has no session limit. Fly.io Sprites runs microVMs.

Updated Oct 14, 2026

boat

Persistent Ubuntu VMs with SSH, Docker and a desktop.

Isolation: Full VM
Free tier: Free trial with 25 hours
Max session: No limit

Visit site boat profile

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

What is different

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

Field

boat

Fly.io Sprites

vCPU, per hour: boat: $0.009; Fly.io Sprites: $0.0385
RAM, per GiB-hour: boat: Included; Fly.io Sprites: $0.021875
Storage: boat: Free; Fly.io Sprites: $0.000683 per GiB-hour
Free tier: boat: Free trial with 25 hours; Fly.io Sprites: $30 trial credit
Paid plan from: boat: $20 / month; Fly.io Sprites: Pay as you go
Billing: boat: Bundled machine time; Fly.io Sprites: Active CPU time only
Isolation: boat: Full VM; Fly.io Sprites: MicroVM
SDKs: boat: Python, JavaScript / TypeScript; Fly.io Sprites: Python, JavaScript / TypeScript, Go
Integrations: boat: MCP; Fly.io Sprites: MCP, OpenAI Agents SDK

Full comparison

18 fields, at each provider's list price

boatdocs.boat.dev/pricingdocs.boat.dev

Fly.io Spritesfly.io/pricing

Pricing

vCPU, per hour: boat: $0.009; Fly.io Sprites: $0.0385
RAM, per GiB-hour: boat: Included; Fly.io Sprites: $0.021875
Storage: boat: Free; Fly.io Sprites: $0.000683 per GiB-hour
Free tier: boat: Free trial with 25 hours; Fly.io Sprites: $30 trial credit
Paid plan from: boat: $20 / month; Fly.io Sprites: Pay as you go
Billing: boat: Bundled machine time; Fly.io Sprites: Active CPU time only

Limits

Max session: boat: No limit; Fly.io Sprites: Not listed
Idle stop: boat: Not listed; Fly.io Sprites: Not listed
Largest sandbox: boat: 16 vCPU · 32 GiB; Fly.io Sprites: Not listed
Concurrent sandboxes: boat: Up to 2,000; Fly.io Sprites: Not listed

Platform

Isolation: boat: Full VM; Fly.io Sprites: MicroVM
GPU: boat: No; Fly.io Sprites: Not listed
Snapshots: boat:; Fly.io Sprites:
Pause and resume: boat:; Fly.io Sprites:

Developer

SDKs: boat: Python, JavaScript / TypeScript; Fly.io Sprites: Python, JavaScript / TypeScript, Go
Integrations: boat: MCP; Fly.io Sprites: MCP, OpenAI Agents SDK

Trust

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

Hourly cost

One sandbox running for one hour

Size

boat

Fly.io Sprites

1 vCPU · 2 GiB: boat: $0.009; Fly.io Sprites: $0.082
2 vCPU · 4 GiB: boat: $0.018; Fly.io Sprites: $0.165
4 vCPU · 8 GiB: boat: $0.036; Fly.io Sprites: $0.329

Compute only, at list rates.

Open the calculator

Which one fits

Based on the fields above

boat fits when

You want each sandbox to be a full VM.
You want the lower list price: $0.018 against $0.165 an hour for 2 vCPU and 4 GiB.
You need a desktop in the sandbox.

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 the OpenAI Agents SDK.
Your code waits a lot: CPU is billed only while it is in use.

More comparisons

See all comparisons

boat

Fly.io Sprites

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

boat fits when

Fly.io Sprites fits when

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