ΔE 6.1, close: similar, with a visible difference side by side. Airbrush Thinner is a little lighter than N8 Neutral Gray.
Usually, if you are not matching paint already on the model. Close match (ΔE 6). Airbrush Thinner is a little lighter than N8 Neutral Gray.
The same difference applies the other way round: N8 Neutral Gray is a little darker.
ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.
See N8 Neutral Gray on the colour wheel See Airbrush Thinner on the colour wheel
All matches: N8 Neutral Gray equivalents · Airbrush Thinner equivalents