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GPT-5 consumes as much electricity as a nuclear reactor

New research shows that GPT-5 uses 8.6 times more electricity than GPT-4, with a consumption rate that is enough to run a small country.

Báo Khoa học và Đời sốngBáo Khoa học và Đời sống21/08/2025

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A study from the University of Rhode Island revealed that GPT-5 consumes unusually high power.
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Each 1,000-token GPT-5 response requires 40Wh of power, averaging 18.35Wh.
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Meanwhile, GPT-4 only needs about 2.12Wh, which is up to 8.6 times lower.
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With more than 2.5 billion requests per day, GPT-5 can consume 45GWh of electricity, equivalent to the output of 2-3 nuclear reactors.
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Microsoft Azure servers are said to be the main infrastructure running GPT-5.
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The team estimates GPT-5 runs on an Nvidia DGX H100 or H200 system.
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Although GPT-5 uses a more power-efficient mixture-of-experts architecture, advanced inference modes can increase consumption by 5-10 times.
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Compared to DeepSeek R1 or OpenAI o3, GPT-5 is still the most power-hungry, raising major concerns about the environmental impact of AI.
Dear readers, please watch more videos : From January 1, 2026, digital products created by AI must have identification marks | Nhan Dan Newspaper

Source: https://khoahocdoisong.vn/gpt-5-tieu-ton-dien-bang-ca-lo-phan-ung-hat-nhan-post2149046702.html


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