Although Johnson and Kosygin failed to reach agreement on anything important, the generally amicable atmosphere of the summit was referred to as the "Spirit of Glassboro" and is seen to have improved Soviet–US relations.
Meskipun Johnson dan Kosygin gagal untuk mencapai kesepakatan pada hal berpengaruh apapun, atmosfir ramah tamah dari KTT tersebut disebut sebagai "Jiwa Glassboro" dan dipandang mempengaruhi hubungan Soviet–AS.