maritime
Compare / Maritime vs Vercel Sandbox

Vercel Sandbox alternative

A Maritime sandbox is cheaper even at 10% CPU ($0.022 an hour at 2 vCPU and 4 GB against $0.1104), and Maritime adds desktops, Windows, Android and hosted agents. Vercel bills only active CPU and runs in 19 regions.

Maritime gives every AI agent its own computer: agent boxes that stay online, sandboxes for code, Linux and Windows desktops it clicks, and Android phones.

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Price per hour

Vercel Sandbox pricing vs Maritime, same sizes.

List prices for one machine awake for one full hour. Disk and egress are left out.

Provider1 vCPU, 2 GB per hour2 vCPU, 4 GB per hourNotes
Maritime sandbox$0.011$0.022Any size up to 16 vCPU and 64 GB, priced per vCPU and GB. Ends with its disk when idle, or pause it and pay $0.08 per GB-month of disk.
Maritime agent box$0.00137$0.00274$1 a month per 2 GB of memory, 1 vCPU, awake or asleep, with unlimited awake hours and 5 GB of disk. The 4 GB box ($2 a month) is shown in the 2 vCPU, 4 GB column by memory.
Vercel Sandbox$0.0552 at 10% CPU, $0.1704 at 100%$0.1104 at 10% CPU, $0.3408 at 100%Active CPU $0.128 an hour, memory $0.0212 per GB-hour, plus $0.60 per million creations (iad1). Bills active CPU only, so a mostly idle sandbox costs less.

Vercel Sandbox prices from vercel.com/docs/vercel-sandbox/pricing, checked October 26, 2026. Maritime prices from the pricing page.

Vercel Sandbox plans: Hobby free (5 active CPU hours a month, then creation pauses). Pro $20 a month with $20 of included credit. Enterprise custom.

What you get

What Maritime has that Vercel Sandbox does not.

Vercel Sandbox sells Firecracker Linux micro-VMs for untrusted or agent-generated code, billed on active CPU. Maritime gives every agent its own computer: sandboxes, persistent agent boxes, Linux and Windows desktops, and Android phones, on one API.

  • Windows desktops

    Maritime: $0.18 an hour while awake, licence included, with screenshot, click, type, files and human takeover. Requires Growth, Scale or Dedicated once the plan has been paid; not Starter or the free trial.

    Vercel Sandbox: Linux only. No desktop documented.

  • Android phones

    Maritime: $0.15 an hour while awake. AOSP Android 15 with tap, swipe, ui_tree, install_app and an adb tunnel.

    Vercel Sandbox: No Android machine.

  • Persistent agent boxes

    Maritime: $1 a month per 2 GB, awake or asleep, with no lifetime limit. Keeps /data until you delete it and wakes in about a second on the next command, message, webhook or schedule.

    Vercel Sandbox: 45 minutes (Hobby) or 24 hours (Pro) per run; stop and resume resets the limit. A filesystem snapshot on stop is kept 30 days after last use, at $0.08 per GB-month.

  • Per-end-user spend caps

    Maritime: End users are records keyed by your own id, with one agent each, per-user spend caps, short-lived eu_ tokens for their browser, and a usage report for rebilling.

    Vercel Sandbox: Not stated.

  • Private network

    Maritime: Reach a system inside a customer's office through a small connector on their side, no VPN, on every plan including the free trial.

    Vercel Sandbox: Firewall allow and deny lists and credential brokering. Static IPs and VPC peering on Enterprise.

  • HIPAA without an add-on

    Maritime: HIPAA attestation, and a BAA on request, with hosting in the United States or Germany.

    Vercel Sandbox: HIPAA BAA $350 a month on Pro.

Honest list

Where Vercel Sandbox is better.

Pick Vercel Sandbox if one of these matters more to you than the list above.

  • Active-CPU billing. A mostly idle sandbox costs less than at full CPU ($0.1104 an hour at 10% CPU against $0.3408 at 100%, for 2 vCPU and 4 GB).
  • 19 regions. Maritime runs in the United States and Germany.
  • High concurrency: 10,000 sandboxes at once on Pro. Maritime Scale allows 60 machines awake at once and Dedicated 500.
  • Larger machines, up to 32 vCPU. A Maritime sandbox goes up to 16 vCPU and 64 GB.
Questions

Maritime and Vercel Sandbox, briefly.

How much does Vercel Sandbox cost?
In iad1, Vercel Sandbox bills active CPU at $0.128 an hour, memory at $0.0212 per GB-hour and $0.60 per million creations: 1 vCPU and 2 GB is $0.0552 an hour at 10% CPU and $0.1704 at 100%, and 2 vCPU and 4 GB is $0.1104 and $0.3408 (vercel.com/docs/vercel-sandbox/pricing, checked 2026-10-26). Hobby is free for 5 active CPU hours a month; Pro is $20 a month with $20 of included credit.
Vercel Sandbox vs Maritime: which is cheaper?
At list prices, yes, even at 10% CPU. A Maritime sandbox with 2 vCPU and 4 GB is $0.022 an hour; Vercel Sandbox is $0.1104 at 10% CPU and $0.3408 at 100% for the same size (vercel.com/docs/vercel-sandbox/pricing, checked 2026-10-26). At 1 vCPU and 2 GB it is $0.011 against $0.0552 to $0.1704.
Does Vercel Sandbox have a desktop or Windows?
No desktop is documented and it is Linux only. Maritime has Linux desktops at $0.12 an hour, Windows desktops at $0.18 and Android phones at $0.15, each while awake, on the same API as its sandboxes.
Where is Vercel Sandbox the better choice?
Vercel bills only active CPU, runs in 19 regions, allows 10,000 sandboxes at once on Pro, and offers machines up to 32 vCPU.
Sources

These sources were read on October 26, 2026. Later price checks are dated where stated. Prices change; check the source before you decide. The full comparison of 25 providers, with every source, is at maritime.sh/compare.md.

Start with a free trial.One API key, one bill.

7 days, a card is required, usage capped at $20. Cancel within the trial and nothing is charged. Starter $20, Growth $100, Scale $500 and Dedicated $5,000 a month. Each fee comes back as the same amount of usage credit. Every plan pays the same rates.

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