Fly.io Sprites vs Runloop

Fly.io Sprites costs $0.0385 per vCPU-hour and Runloop costs $0.108 per vCPU-hour. Fly.io Sprites runs microVMs. Runloop runs 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

Runloop

Devboxes built for coding agents.

Isolation: MicroVM
Free tier: $50 credit
Max session: Not listed

Visit site Runloop profile

What is different

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

Field

Fly.io Sprites

Runloop

vCPU, per hour: Fly.io Sprites: $0.0385; Runloop: $0.108
RAM, per GiB-hour: Fly.io Sprites: $0.021875; Runloop: $0.0252
Storage: Fly.io Sprites: $0.000683 per GiB-hour; Runloop: $0.00034236 per GiB-hour
Free tier: Fly.io Sprites: $30 trial credit; Runloop: $50 credit
Billing: Fly.io Sprites: Active CPU time only; Runloop: Per second
SDKs: Fly.io Sprites: Python, JavaScript / TypeScript, Go; Runloop: Python, TypeScript
Integrations: Fly.io Sprites: MCP, OpenAI Agents SDK; Runloop: OpenAI Agents SDK, MCP

Full comparison

18 fields, at each provider's list price

Fly.io Spritesfly.io/pricing

Runlooprunloop.ai/pricing

Pricing

vCPU, per hour: Fly.io Sprites: $0.0385; Runloop: $0.108
RAM, per GiB-hour: Fly.io Sprites: $0.021875; Runloop: $0.0252
Storage: Fly.io Sprites: $0.000683 per GiB-hour; Runloop: $0.00034236 per GiB-hour
Free tier: Fly.io Sprites: $30 trial credit; Runloop: $50 credit
Paid plan from: Fly.io Sprites: Pay as you go; Runloop: Pay as you go
Billing: Fly.io Sprites: Active CPU time only; Runloop: Per second

Limits

Max session: Fly.io Sprites: Not listed; Runloop: Not listed
Idle stop: Fly.io Sprites: Not listed; Runloop: Not listed
Largest sandbox: Fly.io Sprites: Not listed; Runloop: 16 vCPU · 64 GiB
Concurrent sandboxes: Fly.io Sprites: Not listed; Runloop: Not listed

Platform

Isolation: Fly.io Sprites: MicroVM; Runloop: MicroVM
GPU: Fly.io Sprites: Not listed; Runloop: Not listed
Snapshots: Fly.io Sprites:; Runloop:
Pause and resume: Fly.io Sprites:; Runloop:

Developer

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

Trust

License: Fly.io Sprites: Not listed; Runloop: Not listed
BYOC: Fly.io Sprites: Not listed; Runloop: Deploy to VPC, Enterprise plan

Hourly cost

One sandbox running for one hour

Size

Fly.io Sprites

Runloop

1 vCPU · 2 GiB: Fly.io Sprites: $0.082; Runloop: $0.158
2 vCPU · 4 GiB: Fly.io Sprites: $0.165; Runloop: $0.317
4 vCPU · 8 GiB: Fly.io Sprites: $0.329; Runloop: $0.634

Compute only, at list rates.

Open the calculator

Which one fits

Based on the fields above

Fly.io Sprites fits when

You want the lower list price: $0.165 against $0.317 an hour for 2 vCPU and 4 GiB.
Your code waits a lot: CPU is billed only while it is in use.

Runloop fits when

You want the larger free credit: $50 against $30.
You need a desktop in the sandbox.
You need the sandboxes in your own cloud account.
You need SOC 2 Type II.

More comparisons

See all comparisons

Fly.io Sprites

Runloop

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Fly.io Sprites fits when

Runloop fits when

More comparisons

Related

Compare

Pricing

Browse