Kindspec
NotesThe X Premium+ line says only 'below SuperGrok Plus', not below plain SuperGrok. The plans page separately says X Premium+ gives 'Linked usage, below SuperGrok Plus'. Neither page places X Premium+ relative to plain SuperGrok unambiguously.
SuperGrok Heavy grants the highest linked Grok Bot usage. SuperGrok Plus grants generous linked Grok Bot usage, below the Heavy tier. SuperGrok grants linked Grok Bot usage, below the Plus tier. X Premium+ grants linked Grok Bot usage, below SuperGrok Plus.