TBH it doesn't need to completely solve a problem.

I can use GLM to do in 2 hours what would have previously taken me a week.[1] Switch to Astra or Fable might take that down to 1 hour, maybe.

The difference is not so big when you look at it that way.

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[1] Actually, no, but let's pretend for the sake of argument that SOTA models can 10x - 40x your productivity.