[eddd-ddde]

Couldn't that just, never get an answer?

Or maybe just says "i don't know" with full certainty.

[zbentley]

That would be extremely useful in some domains.

[mumblemumble]

Perhaps only if you can also be very certain that the output is correct whenever the logprobs don't trigger the filter.

If that's not the case then it might just trigger bad risk compensation behavior in the model's human operators.