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ChatGPT 5 power consumption could be as much as eight times higher than GPT 4 — research institute estimates medium-sized GPT-5 response can consume up to 40 watt-hours of electricity (www.tomshardware.com)
submitted 1 year ago by to c/technology@lemmy.world
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The University of Rhode Island's AI lab estimates that GPT-5 averages just over 18 Wh per query, so putting all of ChatGPT's reported 2.5 billion requests a day through the model could see energy usage as high as 45 GWh.

A daily energy use of 45 GWh is enormous. A typical modern nuclear power plant produces between 1 and 1.6 GW of electricity per reactor per hour, so data centers running OpenAI's GPT-5 at 18 Wh per query could require the power equivalent of two to three nuclear power reactors, an amount that could be enough to power a small country.

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[–] 1 point 1 year ago (2 children)

The average (US suburban 2200sq ft) home's A/C does consume 4kW while it is cycled on, and in the hotter than normal months of summer it can run continuous duty cycle for hours on end.

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  • [–] 1 point 1 year ago (1 child)

    You need better insulation then. That's crazy. Also outdoor blinds.

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  • [–] 2 points 1 year ago

    Me, personally, we have trees and shade. So many subdivisions don't, and they have dark colored roofs, and then homeowners do bone-headed things like adding "sun rooms" - lots of those in Houston.

    We get upset when our electric bill passes $300 for the month, but our neighbors with the 3500 sq ft? They never see it under $400.

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