Jax Taylor likes to say he and Channing Tatum used to be roommates while they were getting started in the modeling world … but Channing’s not on the same page.

Channing was asked straight up about Jax’s repeated claims they bunked together in a model house back in the day when he was a guest on Andy Cohen‘s radio show Monday … and Channing didn’t recall ever living with Jax.

Channing told Andy … “Absolutely not. I don’t think I ever roommated with him.” He said he lived with other models when his career was taking off, but he doesn’t remember Jax.