Fly.io Sprites vs Vercel Sandbox
Fly.io Sprites costs $0.0385 per vCPU-hour and Vercel Sandbox costs $0.128 per vCPU-hour. Fly.io Sprites runs microVMs. Vercel Sandbox runs Firecracker microVMs and limits a session to 24 hours.
Updated
Fly.io Sprites
- Isolation
- MicroVM
- Free tier
- $30 trial credit
- Max session
- Not listed
Vercel Sandbox
- Isolation
- Firecracker microVM
- Free tier
- 5 CPU-hours every month
- Max session
- 24 hours
What is different
8 fields differ. The rest are the same or not listed.
Fly.io Sprites
Vercel Sandbox
- vCPU, per hour
- Fly.io Sprites: $0.0385
- Vercel Sandbox: $0.128
- RAM, per GiB-hour
- Fly.io Sprites: $0.021875
- Vercel Sandbox: $0.0212
- Storage
- Fly.io Sprites: $0.000683 per GiB-hour
- Vercel Sandbox: On Pro, snapshots $0.08 per GB-month and drives $0.05 per GB-month (beta).
- Free tier
- Fly.io Sprites: $30 trial credit
- Vercel Sandbox: 5 CPU-hours every month
- Paid plan from
- Fly.io Sprites: Pay as you go
- Vercel Sandbox: $20 / month
- Isolation
- Fly.io Sprites: MicroVM
- Vercel Sandbox: Firecracker microVM
- SDKs
- Fly.io Sprites: Python, JavaScript / TypeScript, Go
- Vercel Sandbox: Python, JavaScript / TypeScript
- Integrations
- Fly.io Sprites: MCP, OpenAI Agents SDK, Claude Code
- Vercel Sandbox: Claude Agent SDK, LangChain, OpenAI Agents SDK, Vercel AI SDK, Claude Code
Full comparison
18 fields, at each provider's list price
Fly.io Spritesfly
Vercel Sandboxvercel
Pricing
- vCPU, per hour
- Fly.io Sprites: $0.0385
- Vercel Sandbox: $0.128
- RAM, per GiB-hour
- Fly.io Sprites: $0.021875
- Vercel Sandbox: $0.0212
- Storage
- Fly.io Sprites: $0.000683 per GiB-hour
- Vercel Sandbox: On Pro, snapshots $0.08 per GB-month and drives $0.05 per GB-month (beta).
- Free tier
- Fly.io Sprites: $30 trial credit
- Vercel Sandbox: 5 CPU-hours every month
- Paid plan from
- Fly.io Sprites: Pay as you go
- Vercel Sandbox: $20 / month
- Billing
- Fly.io Sprites: Active CPU time only
- Vercel Sandbox: Active CPU time only
Limits
- Max session
- Fly.io Sprites: Not listed
- Vercel Sandbox: 24 hours
- Idle stop
- Fly.io Sprites: Not listed
- Vercel Sandbox: Not listed
- Largest sandbox
- Fly.io Sprites: Not listed
- Vercel Sandbox: 8 vCPU · 16 GiB
- Concurrent sandboxes
- Fly.io Sprites: Not listed
- Vercel Sandbox: Up to 10,000
Platform
- Isolation
- Fly.io Sprites: MicroVM
- Vercel Sandbox: Firecracker microVM
- GPU
- Fly.io Sprites: Not listed
- Vercel Sandbox: Not listed
- Snapshots
- Fly.io Sprites:
- Vercel Sandbox:
- Pause and resume
- Fly.io Sprites:
- Vercel Sandbox:
Developer
- SDKs
- Fly.io Sprites: Python, JavaScript / TypeScript, Go
- Vercel Sandbox: Python, JavaScript / TypeScript
- Integrations
- Fly.io Sprites: MCP, OpenAI Agents SDK, Claude Code
- Vercel Sandbox: Claude Agent SDK, LangChain, OpenAI Agents SDK, Vercel AI SDK, Claude Code
Trust
- License
- Fly.io Sprites: Not listed
- Vercel Sandbox: Not listed
- BYOC
- Fly.io Sprites: Not listed
- Vercel Sandbox: Not listed
Hourly cost
One sandbox running for one hour
Fly.io Sprites
Vercel Sandbox
- 1 vCPU · 2 GiB
- Fly.io Sprites: $0.082
- Vercel Sandbox: $0.170
- 2 vCPU · 4 GiB
- Fly.io Sprites: $0.165
- Vercel Sandbox: $0.341
- 4 vCPU · 8 GiB
- Fly.io Sprites: $0.329
- Vercel Sandbox: $0.682
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.
- You want the lower list price: $0.165 against $0.341 an hour for 2 vCPU and 4 GiB.
Vercel Sandbox fits when
- You use the Claude Agent SDK, LangChain or the Vercel AI SDK.
- You need SOC 2 Type II.
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