Fly.io Sprites vs Prized Sandboxes
Fly.io Sprites costs $0.0385 per vCPU-hour and Prized Sandboxes costs $0.04 per vCPU-hour. Fly.io Sprites runs Firecracker microVMs. Prized Sandboxes runs Firecracker microVMs and limits a session to 24 hours.
Updated
Fly.io Sprites
- Isolation
- Firecracker microVM
- Free tier
- $30 trial credit
- Max session
- Not listed
Prized Sandboxes
- Isolation
- Firecracker microVM
- Free tier
- $30 credit, one time
- Max session
- 24 hours
What is different
5 fields differ. The rest are the same or not listed.
Fly.io Sprites
Prized Sandboxes
- vCPU, per hour
- Fly.io Sprites: $0.0385
- Prized Sandboxes: $0.04
- RAM, per GiB-hour
- Fly.io Sprites: $0.021875
- Prized Sandboxes: $0.0125
- Storage
- Fly.io Sprites: $0.000683 per GiB-hour
- Prized Sandboxes: $0.0001 per GiB-hour
- Free tier
- Fly.io Sprites: $30 trial credit
- Prized Sandboxes: $30 credit, one time
- Billing
- Fly.io Sprites: Active CPU time only
- Prized Sandboxes: Per second
Full comparison
18 fields, at each provider's list price
Fly.io Spritesfly
Prized Sandboxesprized
Pricing
- vCPU, per hour
- Fly.io Sprites: $0.0385
- Prized Sandboxes: $0.04
- RAM, per GiB-hour
- Fly.io Sprites: $0.021875
- Prized Sandboxes: $0.0125
- Storage
- Fly.io Sprites: $0.000683 per GiB-hour
- Prized Sandboxes: $0.0001 per GiB-hour
- Free tier
- Fly.io Sprites: $30 trial credit
- Prized Sandboxes: $30 credit, one time
- Paid plan from
- Fly.io Sprites: Pay as you go
- Prized Sandboxes: Pay as you go
- Billing
- Fly.io Sprites: Active CPU time only
- Prized Sandboxes: Per second
Limits
- Max session
- Fly.io Sprites: Not listed
- Prized Sandboxes: 24 hours
- Idle stop
- Fly.io Sprites: Not listed
- Prized Sandboxes: Not listed
- Largest sandbox
- Fly.io Sprites: Not listed
- Prized Sandboxes: 32 vCPU · 128 GiB
- Concurrent sandboxes
- Fly.io Sprites: Not listed
- Prized Sandboxes: Up to 20
Platform
- Isolation
- Fly.io Sprites: Firecracker microVM
- Prized Sandboxes: Firecracker microVM
- GPU
- Fly.io Sprites: Not listed
- Prized Sandboxes: No
- Snapshots
- Fly.io Sprites:
- Prized Sandboxes: Not listed
- Pause and resume
- Fly.io Sprites:
- Prized Sandboxes:
Developer
- SDKs
- Fly.io Sprites: Python, JavaScript / TypeScript, Go
- Prized Sandboxes: Not listed
- Integrations
- Fly.io Sprites: MCP, OpenAI Agents SDK, Claude Code
- Prized Sandboxes: Not listed
Trust
- License
- Fly.io Sprites: Not listed
- Prized Sandboxes: Not listed
- BYOC
- Fly.io Sprites: Not listed
- Prized Sandboxes: Not listed
Hourly cost
One sandbox running for one hour
Fly.io Sprites
Prized Sandboxes
- 1 vCPU · 2 GiB
- Fly.io Sprites: $0.082
- Prized Sandboxes: $0.065
- 2 vCPU · 4 GiB
- Fly.io Sprites: $0.165
- Prized Sandboxes: $0.130
- 4 vCPU · 8 GiB
- Fly.io Sprites: $0.329
- Prized Sandboxes: $0.260
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Fly.io Sprites fits when
- You use MCP, the OpenAI Agents SDK or Claude Code.
- You need snapshots.
- Your code waits a lot: CPU is billed only while it is in use.
- You need SOC 2 Type II, HIPAA and GDPR.
Prized Sandboxes fits when
- You want the lower list price: $0.130 against $0.165 an hour for 2 vCPU and 4 GiB.
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