Neeva - cofounded by an ex-Google exec also provided a paid search experience with similar features. They have since shut down and in their blog post pointed out that the issue they faced was not convincing people that they should pay for search but rather the fact that distribution of their service is difficult (i.e. being browser defaults, at work, on people's phones). What's Kagi doing differently to be able to su…
Define success? It outperforms every other search engine in terms of quality of results and at least from what I understand, they're not too far off from breaking even on their salaries.
Neeva was a VC funded abomination and it showed, they even had deals with "big brand" companies like LastPass to offer bundles, but their core product sucked. Neeva search results were often worse than Google. That's not the case with Kagi.