How far out does the Oort Cloud hypothesized to begin, in contrast to the Kuiper Belt region?

Answer

Possibly around 2,000 to 5,000 AU

The Oort Cloud is hypothesized to begin much farther out, potentially starting around 2,000 to 5,000 AU, separating it from the Kuiper Belt by a vast gulf of space.

How far out does the Oort Cloud hypothesized to begin, in contrast to the Kuiper Belt region?
locationSpaceastronomyobjectsKuiper Belt