See accelerator-hour.
Accelerator-hour One accelerator working for one hour, the unit the rental market quotes as a GPU-hour. A usable hour has power, cooling and a network behind it, so that it can be sold or put to work. Chapter 14.
From The AI Compute Race. Read the book
Where the record uses it
Sources that use it
- CME Group, Special Executive Report SER-9785R, “UPDATE: Initial Listing of Two (2) Compute Futures Contracts - Silicon Data H100 Rental Index Futures and Silicon Data B200 Rental Index Futures,” 25 September 2026 (no initial listing date, the specification table giving it as to be determined; “Pending all relevant CFTC regulatory review periods”; “The Exchange will further advise regarding the specific effective date”; 730 GPU-hours a contract, quoted in U.S. dollars and cents per GPU-hour, financially settled). In the Sources
- Ornn Data, “OCPI-B200 — NVIDIA B200 Price Index,” index page settled 26 September 2026 (an on-demand index of transacted rental prices, published by a marketplace that also rents the capacity it prices, in its own words “Ornn both prices compute and rents it”; OCPI-B200 settled at $8.04 per GPU-hour, +33.3 percent over thirty days from $6.03; read on the publisher’s pages on 26 September 2026 and held in the Wayback copy of 29 October 2026; on 30 October 2026 Ornn moved its settle from 4 PM ET to midnight ET and restated its whole history with no changelog entry, so the pages at the close show other figures, the B200 index’s restated 8.05 from 6.00 where the first-published $8.04 from $6.03 is printed, a third higher either way). In the Sources
- Ornn Data, “OCPI-H100 — NVIDIA H100 SXM Price Index” and “OCPI Methodology,” index pages settled 26 September 2026 (an on-demand index of transacted rental prices, published by a marketplace that also rents the capacity it prices, in its own words “Ornn both prices compute and rents it”; “OCPI measures on-demand rentals only. Reserved-capacity, long-term, and forward contracts are outside the scope of the indices”, Methodology section 2; OCPI-H100 settled at $2.54 per GPU-hour, its three-month public window spanning $2.45 to $3.17; read on the publisher’s pages on 26 September 2026 and held in the Wayback copy of 29 October 2026; on 30 October 2026 Ornn moved its settle from 4 PM ET to midnight ET and restated its whole history with no changelog entry, so the pages at the close show other figures, the H100 index’s restated figures 2.56 and $2.50 to $3.01 where the first-published 2.54 and $2.49 to $3.05 are printed; its daily settled values for 21 to 27 September 2026 ran from $2.49, on 27 September, to $3.05, on 23 September; the week’s values read on the page’s table of daily settled values as captured on 30 September 2026). In the Sources
- Silicon Data, “B200 Rental Price Update, August 2026: The Quietest Month Yet,” company blog, 24 September 2026 (the index sponsor’s own account of its own index; its B200 index, “our daily benchmark of B200 rental rates quoted by neocloud providers”, entered September at $5.62 a GPU-hour, “up 27.6% year to date”). In the Sources
- Steve Hou, Head of Research at Silicon Data, “Dynamic Pricing Brings Price Discovery to GPU Spot Rental Markets,” Silicon Data blog, 21 October 2026 (nine days of spot and preemptible prices, 8 to 16 October 2026, set against Nebius’s move to a dynamic spot price; the disclosure, “Nebius provided the quote data used in this post. Silicon Data and Nebius are in discussions about broader data sharing. Nebius did not review or approve the analysis”; on the firm’s indices, “Silicon Data’s indices combine the prices providers post with transaction data from our neocloud data partners”; “Spot sellers are a small subset of the 80-plus platforms in our daily coverage”; “More than half of the spot price series we track held the same price for all nine days”; the index seller writing on a seller’s quote data, which it also distributes; for the H100, “Market median $2.33 per GPU-hour over the nine days; quotes ranged from $1.38 to $4.49”, the median “across the sellers in our coverage on a given day, excluding Nebius”; “H100 held at its $0.79 floor for most of the window, about two thirds below the market median”; “Our rental price indices draw on every rental type, converted to a common on-demand basis; this post looks at the spot layer on its own”) In the Sources
And 6 more: search the Sources.
Related terms
From the glossary of The AI Compute Race.
How to cite this page
Dryburgh, Lee S. “GPU-hour.” In The AI Compute Race. DRYBURGH. https://dryburgh.com/vol1/glossary/gpu-hour (accessed 2026-11-01).
BibTeX
@misc{dryburgh-gpu-hour-2026,
author = {Dryburgh, Lee S.},
title = {{GPU-hour}},
howpublished = {In \emph{The AI Compute Race}, DRYBURGH},
year = {2026},
url = {https://dryburgh.com/vol1/glossary/gpu-hour},
note = {Accessed 2026-11-01}
}