Kairobot search is free. Kairo Pro costs $9.99 per month or $99.90 per year — the annual plan is 2 months free versus paying monthly. Business listings start free, with paid tiers from 49 to 199 dollars per month for businesses that want clearly labeled Sponsored placement.
The Business ladder: Free listing $0; Starter $49/month; Pro $99/month; Premium $149/month; Elite $199/month. Kairo Pro is a separate subscription for searchers — see Kairo Pro — and businesses start on the Services Hub.