CreateOS Sandbox vs Fly.io Sprites
CreateOS Sandbox costs $0.03616363 per vCPU-hour and Fly.io Sprites costs $0.0385 per vCPU-hour. CreateOS Sandbox runs Firecracker microVMs and has no session limit. Fly.io Sprites runs microVMs.
Updated
CreateOS Sandbox
- Isolation
- Firecracker microVM
- Free tier
- Starting credit of 500 credits
- Max session
- No limit
Fly.io Sprites
- Isolation
- MicroVM
- Free tier
- $30 trial credit
- Max session
- Not listed
What is different
7 fields differ. The rest are the same or not listed.
CreateOS Sandbox
Fly.io Sprites
- vCPU, per hour
- CreateOS Sandbox: $0.03616363
- Fly.io Sprites: $0.0385
- RAM, per GiB-hour
- CreateOS Sandbox: $0.01159025
- Fly.io Sprites: $0.021875
- Storage
- CreateOS Sandbox: $0.0001584 per GiB-hour
- Fly.io Sprites: $0.000683 per GiB-hour
- Free tier
- CreateOS Sandbox: Starting credit of 500 credits
- Fly.io Sprites: $30 trial credit
- Billing
- CreateOS Sandbox: Per second
- Fly.io Sprites: Active CPU time only
- Isolation
- CreateOS Sandbox: Firecracker microVM
- Fly.io Sprites: MicroVM
- SDKs
- CreateOS Sandbox: Python, TypeScript, Go, Rust, Java
- Fly.io Sprites: Python, JavaScript / TypeScript, Go
Full comparison
18 fields, at each provider's list price
CreateOS Sandboxcreateos
Fly.io Spritesfly
Pricing
- vCPU, per hour
- CreateOS Sandbox: $0.03616363
- Fly.io Sprites: $0.0385
- RAM, per GiB-hour
- CreateOS Sandbox: $0.01159025
- Fly.io Sprites: $0.021875
- Storage
- CreateOS Sandbox: $0.0001584 per GiB-hour
- Fly.io Sprites: $0.000683 per GiB-hour
- Free tier
- CreateOS Sandbox: Starting credit of 500 credits
- Fly.io Sprites: $30 trial credit
- Paid plan from
- CreateOS Sandbox: Not listed
- Fly.io Sprites: Pay as you go
- Billing
- CreateOS Sandbox: Per second
- Fly.io Sprites: Active CPU time only
Limits
- Max session
- CreateOS Sandbox: No limit
- Fly.io Sprites: Not listed
- Idle stop
- CreateOS Sandbox: Not listed
- Fly.io Sprites: Not listed
- Largest sandbox
- CreateOS Sandbox: 8 vCPU · 8 GiB
- Fly.io Sprites: Not listed
- Concurrent sandboxes
- CreateOS Sandbox: Up to 20
- Fly.io Sprites: Not listed
Platform
- Isolation
- CreateOS Sandbox: Firecracker microVM
- Fly.io Sprites: MicroVM
- GPU
- CreateOS Sandbox: No
- Fly.io Sprites: Not listed
- Snapshots
- CreateOS Sandbox:
- Fly.io Sprites:
- Pause and resume
- CreateOS Sandbox:
- Fly.io Sprites:
Developer
- SDKs
- CreateOS Sandbox: Python, TypeScript, Go, Rust, Java
- Fly.io Sprites: Python, JavaScript / TypeScript, Go
- Integrations
- CreateOS Sandbox: Not listed
- Fly.io Sprites: MCP, OpenAI Agents SDK, Claude Code
Trust
- License
- CreateOS Sandbox: Not listed
- Fly.io Sprites: Not listed
- BYOC
- CreateOS Sandbox: Enterprise only. Provider runs the control plane
- Fly.io Sprites: Not listed
Hourly cost
One sandbox running for one hour
CreateOS Sandbox
Fly.io Sprites
- 1 vCPU · 2 GiB
- CreateOS Sandbox: $0.059
- Fly.io Sprites: $0.082
- 2 vCPU · 4 GiB
- CreateOS Sandbox: $0.119
- Fly.io Sprites: $0.165
- 4 vCPU · 8 GiB
- CreateOS Sandbox: $0.237
- Fly.io Sprites: $0.329
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
CreateOS Sandbox fits when
- You want the lower list price: $0.119 against $0.165 an hour for 2 vCPU and 4 GiB.
- You need a desktop in the sandbox.
- You need the sandboxes in your own cloud account.
- You need SOC 2 Type II and ISO 27001.
Fly.io Sprites fits when
- You use MCP, the OpenAI Agents SDK or Claude Code.
- Your code waits a lot: CPU is billed only while it is in use.
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