It's not just about web search though -- there's another element too. I go to Grok to find things I have failed to find with web search.

I agree with GP -- if I want sourced commentary on current events, Grok is my go-to above the other models. For whatever reason, its search feels better and more up-to-date -- whereas the others feel more like filters of media, Grok feels more like filters of sources.

Could just be my perception though. YMMV