If he plays AK like this, it's a call.

Board: Ad 9d Jc 5d
Dead:

equity win tie pots won pots tied
Hand 0: 56.364% 56.36% 00.00% 372 0.00 { As9s }
Hand 1: 43.636% 43.64% 00.00% 288 0.00 { AA, JJ, AJs+, AKo }