Deno Sandbox vs Fly.io Sprites
Deno Sandbox costs $0.10 per vCPU-hour and Fly.io Sprites costs $0.0385 per vCPU-hour. Deno Sandbox runs Firecracker microVMs and limits a session to 30 minutes. Fly.io Sprites runs microVMs.
Updated
Deno Sandbox
- Isolation
- Firecracker microVM
- Free tier
- Not listed
- Max session
- 30 minutes
Fly.io Sprites
- Isolation
- MicroVM
- Free tier
- $30 trial credit
- Max session
- Not listed
What is different
6 fields differ. The rest are the same or not listed.
Deno Sandbox
Fly.io Sprites
- vCPU, per hour
- Deno Sandbox: $0.10
- Fly.io Sprites: $0.0385
- RAM, per GiB-hour
- Deno Sandbox: $0.025
- Fly.io Sprites: $0.021875
- Storage
- Deno Sandbox: Volumes $0.20 per GiB-month after plan allowance. Volumes 300 MB to 20 GB.
- Fly.io Sprites: $0.000683 per GiB-hour
- Paid plan from
- Deno Sandbox: $20 / month
- Fly.io Sprites: Pay as you go
- Isolation
- Deno Sandbox: Firecracker microVM
- Fly.io Sprites: MicroVM
- SDKs
- Deno Sandbox: JavaScript / TypeScript, Python
- Fly.io Sprites: Python, JavaScript / TypeScript, Go
Full comparison
18 fields, at each provider's list price
Deno Sandboxdeno
Fly.io Spritesfly
Pricing
- vCPU, per hour
- Deno Sandbox: $0.10
- Fly.io Sprites: $0.0385
- RAM, per GiB-hour
- Deno Sandbox: $0.025
- Fly.io Sprites: $0.021875
- Storage
- Deno Sandbox: Volumes $0.20 per GiB-month after plan allowance. Volumes 300 MB to 20 GB.
- Fly.io Sprites: $0.000683 per GiB-hour
- Free tier
- Deno Sandbox: Not listed
- Fly.io Sprites: $30 trial credit
- Paid plan from
- Deno Sandbox: $20 / month
- Fly.io Sprites: Pay as you go
- Billing
- Deno Sandbox: Active CPU time only
- Fly.io Sprites: Active CPU time only
Limits
- Max session
- Deno Sandbox: 30 minutes
- Fly.io Sprites: Not listed
- Idle stop
- Deno Sandbox: Not listed
- Fly.io Sprites: Not listed
- Largest sandbox
- Deno Sandbox: 2 vCPU · 4 GiB
- Fly.io Sprites: Not listed
- Concurrent sandboxes
- Deno Sandbox: Up to 20
- Fly.io Sprites: Not listed
Platform
- Isolation
- Deno Sandbox: Firecracker microVM
- Fly.io Sprites: MicroVM
- GPU
- Deno Sandbox: Not listed
- Fly.io Sprites: Not listed
- Snapshots
- Deno Sandbox:
- Fly.io Sprites:
- Pause and resume
- Deno Sandbox: Not listed
- Fly.io Sprites:
Developer
- SDKs
- Deno Sandbox: JavaScript / TypeScript, Python
- Fly.io Sprites: Python, JavaScript / TypeScript, Go
- Integrations
- Deno Sandbox: Not listed
- Fly.io Sprites: MCP, OpenAI Agents SDK
Trust
- License
- Deno Sandbox: Not listed
- Fly.io Sprites: Not listed
- BYOC
- Deno Sandbox: Not listed
- Fly.io Sprites: Not listed
Hourly cost
One sandbox running for one hour
Deno Sandbox
Fly.io Sprites
- 1 vCPU · 2 GiB
- Deno Sandbox: $0.150
- Fly.io Sprites: $0.082
- 2 vCPU · 4 GiB
- Deno Sandbox: $0.300
- Fly.io Sprites: $0.165
- 4 vCPU · 8 GiB
- Deno Sandbox: $0.600
- Fly.io Sprites: $0.329
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Deno Sandbox fits when
- You need SOC 2, ISO 27001 and HIPAA.
Fly.io Sprites fits when
- You want to pay only for usage, with no plan fee.
- You use MCP or the OpenAI Agents SDK.
- You want the lower list price: $0.165 against $0.300 an hour for 2 vCPU and 4 GiB.
- You need pause and resume.
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