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1B of tokens for Gemini Flash (which is on par with llama3-70b in my experience or even better sometimes) with 2:1 input-output would cost ~600 bucks (ignoring the fact they offer 1M tokens a day for free now). Ignoring electricity you'd break even in >8 years. You can find llama3-70b for ~same prices if you're interested in the specific model.

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I answered the financial thinking in another reply, but another factor is I need to know if the model today is exactly the same as tomorrow for reliable scientific benchmarking.

I need to tell if I change I made was impactful, but if the model just magically gets smarter or dumber at my tasks with no warning then I can’t tell if I made an improvement or a regression.

Whereas the model on my GPU doesn’t change unless I change it. So it’s one less variable and LLM are black box to start with.

I may be wrong for Gemini, but my impression is all the companies are constantly tweaking the big models. I know GPT on Monday is not always the same GPT on Thursday for example.

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