gensim actually allows you to use both annoy and nmslib with gensim generated vectors as part of the api. https://radimrehurek.com/gensim/similarities/nmslib.h

gensim actually allows you to use both annoy and nmslib with gensim generated vectors as part of the api. https://radimrehurek.com/gensim/similarities/nmslib.html https://radimrehurek.com/gensim/similarities/nmslib.html https://radimrehurek.com/gensim/similarities/annoy.html https://radimrehurek.com/gensim/similarities/annoy.html