Fly.io Sprites vs Hugging Face Sandboxes

Fly.io Sprites costs $0.0385 per vCPU-hour and Hugging Face Sandboxes costs $0.005 per vCPU-hour. Fly.io Sprites runs microVMs. Hugging Face Sandboxes runs full VMs, offers GPUs and limits a session to 24 hours.

Updated

Fly.io Sprites

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

Hugging Face Sandboxes

Isolation
Full VM
Free tier
Not listed
Max session
24 hours

What is different

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

Fly.io Sprites
Hugging Face Sandboxes
vCPU, per hour
Fly.io Sprites: $0.0385
Hugging Face Sandboxes: $0.005
RAM, per GiB-hour
Fly.io Sprites: $0.021875
Hugging Face Sandboxes: Included
Billing
Fly.io Sprites: Active CPU time only
Hugging Face Sandboxes: Bundled machine time
Isolation
Fly.io Sprites: MicroVM
Hugging Face Sandboxes: Full VM
SDKs
Fly.io Sprites: Python, JavaScript / TypeScript, Go
Hugging Face Sandboxes: Python

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Fly.io Sprites: $0.0385
Hugging Face Sandboxes: $0.005
RAM, per GiB-hour
Fly.io Sprites: $0.021875
Hugging Face Sandboxes: Included
Storage
Fly.io Sprites: $0.000683 per GiB-hour
Hugging Face Sandboxes: Not listed
Free tier
Fly.io Sprites: $30 trial credit
Hugging Face Sandboxes: Not listed
Paid plan from
Fly.io Sprites: Pay as you go
Hugging Face Sandboxes: Not listed
Billing
Fly.io Sprites: Active CPU time only
Hugging Face Sandboxes: Bundled machine time

Limits

Max session
Fly.io Sprites: Not listed
Hugging Face Sandboxes: 24 hours
Idle stop
Fly.io Sprites: Not listed
Hugging Face Sandboxes: After 10 minutes
Largest sandbox
Fly.io Sprites: Not listed
Hugging Face Sandboxes: Not listed
Concurrent sandboxes
Fly.io Sprites: Not listed
Hugging Face Sandboxes: Not listed

Platform

Isolation
Fly.io Sprites: MicroVM
Hugging Face Sandboxes: Full VM
GPU
Fly.io Sprites: Not listed
Hugging Face Sandboxes:
Snapshots
Fly.io Sprites:
Hugging Face Sandboxes: Not listed
Pause and resume
Fly.io Sprites:
Hugging Face Sandboxes: Not listed

Developer

SDKs
Fly.io Sprites: Python, JavaScript / TypeScript, Go
Hugging Face Sandboxes: Python
Integrations
Fly.io Sprites: MCP, OpenAI Agents SDK
Hugging Face Sandboxes: Not listed

Trust

License
Fly.io Sprites: Not listed
Hugging Face Sandboxes: Not listed
BYOC
Fly.io Sprites: Not listed
Hugging Face Sandboxes: Not listed

Hourly cost

One sandbox running for one hour

Fly.io Sprites
Hugging Face Sandboxes
1 vCPU · 2 GiB
Fly.io Sprites: $0.082
Hugging Face Sandboxes: $0.005
2 vCPU · 4 GiB
Fly.io Sprites: $0.165
Hugging Face Sandboxes: $0.010
4 vCPU · 8 GiB
Fly.io Sprites: $0.329
Hugging Face Sandboxes: $0.020

Compute only, at list rates.

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Which one fits

Based on the fields above

Fly.io Sprites fits when

  • You want each sandbox in its own microVM.
  • You use MCP or the OpenAI Agents SDK.
  • You need snapshots.
  • You need pause and resume.

Hugging Face Sandboxes fits when

  • You need GPUs.
  • You want each sandbox to be a full VM.
  • You want the lower list price: $0.010 against $0.165 an hour for 2 vCPU and 4 GiB.

More comparisons

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