Fly.io Sprites vs OpenPond Sandboxes
Fly.io Sprites costs $0.0385 per vCPU-hour and OpenPond Sandboxes costs $0.072 per vCPU-hour. Fly.io Sprites runs Firecracker microVMs. OpenPond Sandboxes runs Firecracker microVMs.
Updated
Fly.io Sprites
- Isolation
- Firecracker microVM
- Free tier
- $30 trial credit
- Max session
- Not listed
OpenPond Sandboxes
- Isolation
- Firecracker microVM
- Free tier
- Free plan with limited monthly usage, 1 sandbox at a time
- Max session
- Not listed
What is different
7 fields differ. The rest are the same or not listed.
Fly.io Sprites
OpenPond Sandboxes
- vCPU, per hour
- Fly.io Sprites: $0.0385
- OpenPond Sandboxes: $0.072
- RAM, per GiB-hour
- Fly.io Sprites: $0.021875
- OpenPond Sandboxes: $0.0234
- Storage
- Fly.io Sprites: $0.000683 per GiB-hour
- OpenPond Sandboxes: $0.00012 per GiB-hour
- Free tier
- Fly.io Sprites: $30 trial credit
- OpenPond Sandboxes: Free plan with limited monthly usage, 1 sandbox at a time
- Paid plan from
- Fly.io Sprites: Pay as you go
- OpenPond Sandboxes: $10 / month
- Billing
- Fly.io Sprites: Active CPU time only
- OpenPond Sandboxes: Per second
- SDKs
- Fly.io Sprites: Python, JavaScript / TypeScript, Go
- OpenPond Sandboxes: TypeScript
Full comparison
18 fields, at each provider's list price
Fly.io Spritesfly
OpenPond Sandboxesopenpond
Pricing
- vCPU, per hour
- Fly.io Sprites: $0.0385
- OpenPond Sandboxes: $0.072
- RAM, per GiB-hour
- Fly.io Sprites: $0.021875
- OpenPond Sandboxes: $0.0234
- Storage
- Fly.io Sprites: $0.000683 per GiB-hour
- OpenPond Sandboxes: $0.00012 per GiB-hour
- Free tier
- Fly.io Sprites: $30 trial credit
- OpenPond Sandboxes: Free plan with limited monthly usage, 1 sandbox at a time
- Paid plan from
- Fly.io Sprites: Pay as you go
- OpenPond Sandboxes: $10 / month
- Billing
- Fly.io Sprites: Active CPU time only
- OpenPond Sandboxes: Per second
Limits
- Max session
- Fly.io Sprites: Not listed
- OpenPond Sandboxes: Not listed
- Idle stop
- Fly.io Sprites: Not listed
- OpenPond Sandboxes: After 15 minutes
- Largest sandbox
- Fly.io Sprites: Not listed
- OpenPond Sandboxes: Not listed
- Concurrent sandboxes
- Fly.io Sprites: Not listed
- OpenPond Sandboxes: Up to 10
Platform
- Isolation
- Fly.io Sprites: Firecracker microVM
- OpenPond Sandboxes: Firecracker microVM
- GPU
- Fly.io Sprites: Not listed
- OpenPond Sandboxes: Not listed
- Snapshots
- Fly.io Sprites:
- OpenPond Sandboxes:
- Pause and resume
- Fly.io Sprites:
- OpenPond Sandboxes:
Developer
- SDKs
- Fly.io Sprites: Python, JavaScript / TypeScript, Go
- OpenPond Sandboxes: TypeScript
- Integrations
- Fly.io Sprites: MCP, OpenAI Agents SDK, Claude Code
- OpenPond Sandboxes: Not listed
Trust
- License
- Fly.io Sprites: Not listed
- OpenPond Sandboxes: Not listed
- BYOC
- Fly.io Sprites: Not listed
- OpenPond Sandboxes: Guided AWS install
Hourly cost
One sandbox running for one hour
Fly.io Sprites
OpenPond Sandboxes
- 1 vCPU · 2 GiB
- Fly.io Sprites: $0.082
- OpenPond Sandboxes: $0.119
- 2 vCPU · 4 GiB
- Fly.io Sprites: $0.165
- OpenPond Sandboxes: $0.238
- 4 vCPU · 8 GiB
- Fly.io Sprites: $0.329
- OpenPond Sandboxes: $0.475
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Fly.io Sprites fits when
- You want to pay only for usage, with no plan fee.
- You use MCP, the OpenAI Agents SDK or Claude Code.
- You want the lower list price: $0.165 against $0.238 an hour for 2 vCPU and 4 GiB.
- Your code waits a lot: CPU is billed only while it is in use.
OpenPond Sandboxes fits when
- You need the sandboxes in your own cloud account.
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