Boris Cherny， head of Claude Code at Anthropic， on optimizing token cost and model use.

"I use Fable for everything"

There is probably a 50% opportunity to reduce the investment （on token cost）. However， there may be a 1，000%， 10，000%， or even 100，000% opportunity to increase the return.

Therefore， I would simply use the most expensive model and focus on how to get more out of it. Ask yourself， 'How do I increase the return？' Do not focus primarily on cost-cutting."

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From "Scale" YouTube channel， （full video link in comment）