illust_related output significantly differs from recommendations on the page

[Darayavaush]

The degree of the difference varies depending on the image, but in general it seems that a few N (where N is 5-15) recommendations are going to be almost the same, possibly with minor variations (e.g. 9/10 images match), but then the rest is going to be completely different. This happens with all images.

Example: as of right now, illust_related for 125638337 returns the IDs
124806207, 125004792, 125493929, 125435483, 124365475, 125608769, 125647566, 125333876, 125283480, 125756606, 123414405, 112311112, 125753915, 118319892, 124388564, 123029039, 123206413, 120587878, 119519787, 121885522, 123790633, 122659480, 118095366, 118549397, 115169054, 115004381, 116911751, 115334690, 123632167, 117391141
while Pixiv shows the recommendations
124806207, 125004792, 125608769, 125435483, 125647566, 125493929, 120301550, 125333876, 125283480, 125756606, 123414405, 112311112, 125753915, 118319892, 123110517, 124614001, 125018940, 125682858, 124738734, 123521584, 119868533, 118900976, 120073937, 119175139, 116301336, 120108214, 119617682, 118874419, 116596030, 123873391, 123546547, 122690846, 123161598, 119783082, 124600825, 119168962

Is there any way to make the API output what Pixiv shows in a browser?

(And illust_recommended just shows completely unrelated stuff, so that's not it)