Fly.io Sprites vs Northflank Sandboxes
Fly.io Sprites costs $0.0385 per vCPU-hour and Northflank Sandboxes costs $0.01667 per vCPU-hour. Fly.io Sprites runs microVMs. Northflank Sandboxes runs microVMs and offers GPUs.
Updated
Fly.io Sprites
- Isolation
- MicroVM
- Free tier
- $30 trial credit
- Max session
- Not listed
Northflank Sandboxes
- Isolation
- MicroVM
- Free tier
- Not listed
- Max session
- Not listed
What is different
5 fields differ. The rest are the same or not listed.
Fly.io Sprites
Northflank Sandboxes
- vCPU, per hour
- Fly.io Sprites: $0.0385
- Northflank Sandboxes: $0.01667
- RAM, per GiB-hour
- Fly.io Sprites: $0.021875
- Northflank Sandboxes: $0.00833
- Storage
- Fly.io Sprites: $0.000683 per GiB-hour
- Northflank Sandboxes: Volumes $0.15 per GB per month, also when paused. Ephemeral storage is included.
- Billing
- Fly.io Sprites: Active CPU time only
- Northflank Sandboxes: Per second
- SDKs
- Fly.io Sprites: Python, JavaScript / TypeScript, Go
- Northflank Sandboxes: Python, JavaScript
Full comparison
18 fields, at each provider's list price
Fly.io Spritesfly
Northflank Sandboxesnorthflank
Pricing
- vCPU, per hour
- Fly.io Sprites: $0.0385
- Northflank Sandboxes: $0.01667
- RAM, per GiB-hour
- Fly.io Sprites: $0.021875
- Northflank Sandboxes: $0.00833
- Storage
- Fly.io Sprites: $0.000683 per GiB-hour
- Northflank Sandboxes: Volumes $0.15 per GB per month, also when paused. Ephemeral storage is included.
- Free tier
- Fly.io Sprites: $30 trial credit
- Northflank Sandboxes: Not listed
- Paid plan from
- Fly.io Sprites: Pay as you go
- Northflank Sandboxes: Pay as you go
- Billing
- Fly.io Sprites: Active CPU time only
- Northflank Sandboxes: Per second
Limits
- Max session
- Fly.io Sprites: Not listed
- Northflank Sandboxes: Not listed
- Idle stop
- Fly.io Sprites: Not listed
- Northflank Sandboxes: Not listed
- Largest sandbox
- Fly.io Sprites: Not listed
- Northflank Sandboxes: 20 vCPU · 40 GiB
- Concurrent sandboxes
- Fly.io Sprites: Not listed
- Northflank Sandboxes: Not listed
Platform
- Isolation
- Fly.io Sprites: MicroVM
- Northflank Sandboxes: MicroVM
- GPU
- Fly.io Sprites: Not listed
- Northflank Sandboxes:
- Snapshots
- Fly.io Sprites:
- Northflank Sandboxes: Not listed
- Pause and resume
- Fly.io Sprites:
- Northflank Sandboxes:
Developer
- SDKs
- Fly.io Sprites: Python, JavaScript / TypeScript, Go
- Northflank Sandboxes: Python, JavaScript
- Integrations
- Fly.io Sprites: MCP, OpenAI Agents SDK
- Northflank Sandboxes: Not listed
Trust
- License
- Fly.io Sprites: Not listed
- Northflank Sandboxes: Not listed
- BYOC
- Fly.io Sprites: Not listed
- Northflank Sandboxes: Runs in your own cloud or VPC
Hourly cost
One sandbox running for one hour
Fly.io Sprites
Northflank Sandboxes
- 1 vCPU · 2 GiB
- Fly.io Sprites: $0.082
- Northflank Sandboxes: $0.033
- 2 vCPU · 4 GiB
- Fly.io Sprites: $0.165
- Northflank Sandboxes: $0.067
- 4 vCPU · 8 GiB
- Fly.io Sprites: $0.329
- Northflank Sandboxes: $0.133
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Fly.io Sprites fits when
- You use MCP or the OpenAI Agents SDK.
- You need snapshots.
- Your code waits a lot: CPU is billed only while it is in use.
Northflank Sandboxes fits when
- You need GPUs.
- You want the lower list price: $0.067 against $0.165 an hour for 2 vCPU and 4 GiB.
- You need the sandboxes in your own cloud account.
- You need SOC 2 Type II and HIPAA.
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