abstract: In this talk we consider the thermodynamic formalism for Lorenz attractors of flows in any dimension. Under a mild condition on the H ̈older continuous potential function φ, we prove that for an open and dense subset of C1 vector fields, every Lorenz attractor supports a unique equilibrium state. In particular, we obtain the uniqueness for the measure of maximal entropy. This is joint work with Fan Yang and Jiagang Yang.