Alprazolam vs Diazepam comparison. Valium and xanax are benzodiazepines (colloquiallyThe generic name for valium is diazepam and xanax is alprazolam. While Xanax is only available inDosage. For adults with anxiety disorders, 2mg to 10mg of valium can be prescribed 2 to 4 times a levitrany.com ...