Celesto Cloud vs Vercel Sandbox

Celesto Cloud costs $0.015 per vCPU-hour and Vercel Sandbox costs $0.128 per vCPU-hour. Celesto Cloud runs microVMs. Vercel Sandbox runs Firecracker microVMs and limits a session to 24 hours.

Updated

Celesto Cloud

Isolation
MicroVM
Free tier
$5 runtime credit, one time, 30 days
Max session
Not listed

Vercel Sandbox

Isolation
Firecracker microVM
Free tier
5 CPU-hours every month
Max session
24 hours

What is different

10 fields differ. The rest are the same or not listed.

Celesto Cloud
Vercel Sandbox
vCPU, per hour
Celesto Cloud: $0.015
Vercel Sandbox: $0.128
RAM, per GiB-hour
Celesto Cloud: Included
Vercel Sandbox: $0.0212
Storage
Celesto Cloud: Free
Vercel Sandbox: On Pro, snapshots $0.08 per GB-month and drives $0.05 per GB-month (beta).
Free tier
Celesto Cloud: $5 runtime credit, one time, 30 days
Vercel Sandbox: 5 CPU-hours every month
Paid plan from
Celesto Cloud: Pay as you go
Vercel Sandbox: $20 / month
Billing
Celesto Cloud: Bundled machine time
Vercel Sandbox: Active CPU time only
Largest sandbox
Celesto Cloud: 8 vCPU · 32 GiB
Vercel Sandbox: 8 vCPU · 16 GiB
Concurrent sandboxes
Celesto Cloud: Up to 10
Vercel Sandbox: Up to 10,000
Isolation
Celesto Cloud: MicroVM
Vercel Sandbox: Firecracker microVM
Integrations
Celesto Cloud: 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

Pricing

vCPU, per hour
Celesto Cloud: $0.015
Vercel Sandbox: $0.128
RAM, per GiB-hour
Celesto Cloud: Included
Vercel Sandbox: $0.0212
Storage
Celesto Cloud: Free
Vercel Sandbox: On Pro, snapshots $0.08 per GB-month and drives $0.05 per GB-month (beta).
Free tier
Celesto Cloud: $5 runtime credit, one time, 30 days
Vercel Sandbox: 5 CPU-hours every month
Paid plan from
Celesto Cloud: Pay as you go
Vercel Sandbox: $20 / month
Billing
Celesto Cloud: Bundled machine time
Vercel Sandbox: Active CPU time only

Limits

Max session
Celesto Cloud: Not listed
Vercel Sandbox: 24 hours
Idle stop
Celesto Cloud: Not listed
Vercel Sandbox: Not listed
Largest sandbox
Celesto Cloud: 8 vCPU · 32 GiB
Vercel Sandbox: 8 vCPU · 16 GiB
Concurrent sandboxes
Celesto Cloud: Up to 10
Vercel Sandbox: Up to 10,000

Platform

Isolation
Celesto Cloud: MicroVM
Vercel Sandbox: Firecracker microVM
GPU
Celesto Cloud: Not listed
Vercel Sandbox: Not listed
Snapshots
Celesto Cloud:
Vercel Sandbox:
Pause and resume
Celesto Cloud:
Vercel Sandbox:

Developer

SDKs
Celesto Cloud: Python, JavaScript / TypeScript
Vercel Sandbox: Python, JavaScript / TypeScript
Integrations
Celesto Cloud: MCP, OpenAI Agents SDK, Claude Code
Vercel Sandbox: Claude Agent SDK, LangChain, OpenAI Agents SDK, Vercel AI SDK, Claude Code

Trust

License
Celesto Cloud: Apache-2.0
Vercel Sandbox: Not listed
BYOC
Celesto Cloud: Not listed
Vercel Sandbox: Not listed

Hourly cost

One sandbox running for one hour

Celesto Cloud
Vercel Sandbox
1 vCPU · 2 GiB
Celesto Cloud: $0.015
Vercel Sandbox: $0.170
2 vCPU · 4 GiB
Celesto Cloud: $0.030
Vercel Sandbox: $0.341
4 vCPU · 8 GiB
Celesto Cloud: $0.060
Vercel Sandbox: $0.682

Compute only, at list rates.

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Which one fits

Based on the fields above

Celesto Cloud fits when

  • You want to pay only for usage, with no plan fee.
  • You want an open-source platform (Apache-2.0).
  • You use MCP.
  • You want the lower list price: $0.030 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.
  • Your code waits a lot: CPU is billed only while it is in use.
  • You need SOC 2 Type II.

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