A reduced cost subscription for users not wishing to access AI features.
AI is expensive to run, and so this is (reasonably) reflected in the base subscription cost. For users skeptical of its usefulness, a lower-cost sub that explicitly gates off AI features could be useful.
Sometimes when I talk about Kagi with people, they bring up that it is another "AI techbro" company, and that the sub must cost extra for access to AI.
AI has ethical issues which some of these people take issue with. Its environmental impact, copyright implications, and general prevalence of false information, turns them off from wanting to try Kagi in the first place.