Because he betrayed Katsuyori at the last minute despite being a Takeda family member, Nobukimi ANAYAMA had a negative reputation alongside Yoshimasa KISO, who was also the son-in-law of Shingen but switched sides to the Oda family, and Nobushige OYAMADA, who committed betrayal just before the fall; however, Hachiro SATO gives him a favorable appraisal, justifying his daring decision to turn away in order to sustain the family name, while Toshifumi YANO believes that the relationship between the Takeda clan and local samurai lords such as Anayama and Oyamada was a coalition government, and that with the fall of Takeda family, Nobukimi broke away from the perspective of an individual feudal lord.
武田一族にも関わらず土壇場で勝頼を裏切ったことから、同じく信玄の娘婿でありながら織田家に寝返った木曽義昌や滅亡寸前に裏切った小山田信茂らと共に否定的評価がある一方で、佐藤八郎など家名存続のため敢えて背いた情勢判断を正当視する好意的評価や、矢野俊文による武田氏と国人領主の穴山や小山田の関係が連合政権であるとする立場から、滅亡に際して個別領主の立場から離反に至ったとする見解もある。