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‘Thirsty’ ChatGPT uses four times more water than previously thought (www.thetimes.com)

submitted 4 days ago by [email protected] to c/[email protected]

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Writing a 100-word email using ChatGPT (GPT-4, latest model) consumes 1 x 500ml bottle of water It uses 140Wh of energy, enough for 7 full charges of an iPhone Pro Max

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[–] [email protected] 15 points 3 days ago (7 children)

I have read the comments here and all I understand from my small brain is that, because we are using bigger models which are online, for simple tasks, this huge unnecessary power consumption is happening.

So, can the on-device NPUs we are getting on flagship mobile phones solve these problems, as we can do most of those simple tasks offline on-device?

[–] WolfLink 8 points 3 days ago* (last edited 3 days ago) (5 children)

I’ve run an LLM on my desktop GPU and gotten decent results, albeit not nearly as good as what ChatGPT will get you.

Probably used less than 0.1Wh per response.

[–] [email protected] 1 points 2 days ago (4 children)

Is this for inferencing only? Do you include training?

[–] WolfLink 2 points 2 days ago

Inference only. I’m looking into doing some fine tuning. Training from scratch is another story.

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