Live pack page License field is CC0. Standard tier is "60-70% of my pack is completely free" in OBJ/FBX/glTF. Source adds Blend plus Unity/Godot/Unreal projects; still CC0 on that page.
Header formats list FBX, Blend, glTF; Standard bullet also names OBJ.
CC0 re-export does not license Rockstar assets. See docs/fivem.md.
Attribution example (optional): Downtown City MegaKit by Quaternius (CC0)
Evidence
Live pack page (2026-08-25): License CC0; 315 models
Same page (2026-08-25): "Free to use in personal, educational and commercial projects." (CC0 License)