“We sent exactly 0 marketing emails to our users since the launch of the public beta 3 months ago.”
Kagi has about 2,600 paying customers bringing in about $26,500 a month. Its search API and infrastructure bills run about $26,250 a month. Each search costs Kagi about 1.25 cents. That is a company paying for the privilege of not showing you ads, and the margin is a rounding error.