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A box rents three things by the hour: vCPU, memory, and disk. This page turns those rates into the numbers you can plan against.

Rates

A box’s hourly price is the plain sum, with no tiers and no rounding:
Nothing else is metered. There is no charge for network traffic, API requests, mounted volumes, preview URLs, or the time a box spends booting.

What the standard sizes cost

The three sizes in the New Box dialog, plus the largest box your organization can request: Two readings of that table matter. Per invocation, boxes are almost free. A 30-second code-interpreter run on a Small box costs 0.00056tenthousandofthemcometo0.00056 — ten thousand of them come to 5.55. Per-run cost is not where Cloud bills get large. Per month left running, they are not. The gap between the last two columns is the whole cost story, and the next section is why it exists. Cost controls is how you close it. To make a box cheaper, cut vCPU first: one vCPU-hour costs as much as 3.5 GiB-hours of memory or 280 GiB-hours of disk. Trimming disk is not worth the thought — it is 2–3% of a running box.

What each box state costs

A stopped box has given back its compute but still occupies its disk, and it is billed for that disk until the box is deleted. One forgotten box is loose change. A hundred of them is 130130–650 a month for nothing, and nothing clears them for you.

How the hours are counted

Compute and disk are charged over different intervals. The two clocks start together and stop at different moments: Two of those moments are earlier than you might expect, and both are in your favor:
  • Compute stops billing when the stop is requested, not when the box has finished shutting down. You do not pay vCPU or memory for the shutdown itself.
  • Disk stops billing when deletion is requested, not when teardown completes.
There is no minimum billable duration and no rounding up to a whole hour. The platform records the exact moment of each transition, so a box that runs for four minutes is charged for four minutes at the hourly rate. A box you create and never start costs nothing at all.

Estimates and settlement

The New Box dialog quotes what your chosen size costs to run for one hour. Treat it as an estimate — your actual charge is settled from recorded usage, and the Usage tab is the authority on what you were charged. See Managing billing.

Troubleshooting

Next steps

Cost controls

The two lifecycle controls that stop a finished box from charging you.

Wallet or a plan?

The usage level at which a subscription starts costing less.