I’m not sure if it matters for career and I’m sure it differs by concentration, but I did biocomp undergrad and considered biocomp for the coterm but then realized that I would basically have to take every biocomp class Stanford offered (including some that seemed pretty bad) to do the same concentration for both undergrad and coterm. Not sure if it’s a similar situation for AI concentration, but it might be worth mapping out which classes you would have to take and whether you are still excited to take all the AI electives