Did a quick comparison of Grey Knights’ 9e point values against their 10e ones.

9e source: https://www.warhammer-community.com/wp-content/uploads/2023/01/AyrCVZHP6abRKmR0.pdf

10e source: https://www.warhammer-community.com/wp-content/uploads/2023/06/oF1iWIkNsvlUHByM.pdf

Brother-Captain 100 > 95

Brother-Captain Stern Stayed 110

Brotherhood Champion 60 > 85

Brotherhood Chaplain 100 > 90

Brotherhood Librarian 95 > 110

Brotherhood Techmarine 70 > 85

Castellan Crowe 85 > 95

Grand Master 120 > 115

Grand Master in Nemesis Dreadknight 160 > 245

Grand Master Voldus 135 > 115

Kaldor Draigo 165 > 155

Strike Squad 20 each > 27 each

Brotherhood Terminator Squad 35 each > 51 each

Paladin Squad 45 each > 51 each

Interceptor Squad 24 each > 32 each

Purgation Squad 22 each > 33 each

Purifier Squad 23 each > 30 each

Grey Knights Venerable Dreadnought 145 > 155

Nemesis Dreadknight 130 > 215

Grey Knights Land Raider 245 > 270

Grey Knights Land Raider Crusader 245 > 250

Grey Knights Land Raider Redeemer 245 > 290

Grey Knights Razorback 100 > 95

Grey Knights Rhino Stayed 80

Grey Knight Stormhawk Interceptor 185 > 160

Grey Knight Stormraven Gunship 260 > 265

Grey Knight Stormtalon Gunship 165 > 170