Metalboxes Preview
Computers for your agents.
A Firecracker microVM for each agent, through one API.
Hosted in Europe.
Pricing
$0.0252per vCPU-hour
$0.0036per GiB of memory per hour
Billed by the millisecond. An idle sandbox pays its floor, 25% of its size, and a busy one pays what it uses, up to its size.
| Size | vCPU | Memory | Idle, per hour | Busy, per hour |
|---|---|---|---|---|
| small | 1 | 1 GiB | $0.0072 | $0.0288 |
| default | 2 | 4 GiB | $0.0162 | $0.0648 |
| large | 4 | 8 GiB | $0.0324 | $0.1296 |
A weekend of agents
60 sandboxes of 2 vCPU, 4 GiB and a 10 GiB disk, left running idle from Friday 18:00 to Monday 09:00 (63 hours).
| Provider | Multiple | Weekend cost |
|---|---|---|
| Metalboxes | 1x | $61.24 |
| boat | 1.1x | $68.04 |
| Tensorlake | 2.3x | $139.86 |
| Cloudflare | 3.5x | $213.65 |
| Modal | 3.7x | $224.87 |
| Railway | 4.3x | $262.50 |
| Vercel | 5.2x | $320.54 |
| Freestyle | 8.2x | $503.12 |
| E2B | 10x | $625.97 |
| Daytona | 10x | $630.05 |
| Blaxel | 10x | $632.18 |
| Runloop | 20x | $1,210.45 |
- Usage prices only, at the lowest published rate of each provider on 2026-10-28, with no plan fee, free tier or credit.
- Metalboxes: an idle sandbox pays its floor, 0.5 vCPU and 1 GiB.
- Tensorlake: The rates of the Pro plan.
- Cloudflare: A container with 2 vCPU needs at least 6 GiB of memory.
- Modal: The row requests 0.25 core and 1 GiB, the floor of a Metalboxes sandbox.
- Railway: The row prices 1 GiB of memory in use, the memory floor of a Metalboxes sandbox.
- Blaxel: The row prices an active sandbox. A sandbox in standby pays only for its snapshot.
- Sources: boat, Tensorlake, Cloudflare, Modal, Railway, Vercel, Freestyle, E2B, Daytona, Blaxel, Runloop.