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Not the person you're responding to, but I think the salary paid to the researchers / research-engineers at all the major labs very much counts as eye-watering.

What happened at meta is ludicrous, but labs are clearly willing to pay top-dollar for actual research talent, presumably because they feel like it's still a bottleneck.

[HarHarVeryFunny]

Having the experience to build a frontier model is still a scare commodity, hence the salaries, but to advance AI you need new ideas and architectures which isn't what you are buying there.

A human-level AI wouldn't help unless it also had the experience of these LLM whisperers, so how would it gain that knowledge (not in the training data)? Maybe a human would train it? Couldn't the human train another developer if that really was the bottleneck?

People like Sholto Douglas have said that the actual bottleneck for development speed is compute, not people.