In my experience, the generalist end up running things, and the specialists end up forever ICs or on narrow specialized projects.
The one area generalist tend to fall down is ending up as the fix-it person. Moving from one fire to the next, building up a lot of system specific knowledge that isn't transferable. Don't end up the fix-it person.
Find the highest value capability and build it simply. Then do that again. The simply part is super important if you're always interested in 10 things at once. And always trying to code yourself out of a job.
If you want to do AI, just do a couple side projects with it.
I found myself in a similar spot recently. I'm making more money than I need as an exec of a VC-backed startup, and the work needed from me in the current company doesn't fill my time.
I've started pouring myself into charity work and mentoring younger executives, engineers, and data scientists. It's different, but I love it. It's really fulfilling.
Sentient Technologies is hiring 2 full-stack engineers for a spin out team to commercialize https://www.ascend.ai/, an AI-driven tool for UX optimization.
They get the talent that could build great companies on their own, and if that talent is interested in the same areas they are, they lower the risk that talent will end up building successfully competition.
If the markets are worth winning, the difference of a $50K * team size doesn't really matter in the big picture.
At the same time, by driving up the ante, if an area they're not paying attention to does get traction, to get to a successful exit there's a higher likelihood that the startups will need VC capital only the likes of Google Ventures and similar corporate venturing funds can provide.
There are a lot of people on here telling you it's not going to happen, but I'm going to assume you have a fundable idea and a track record in the domain needed to deliver your idea.
Submit your deck to angel syndicates. If it's good, they'll invite you to a pitch event. You can find plenty of advice online about what you need to cover in your deck.
A decent angel syndicate could easily do 50K-75K EUR and be able to follow on up to 1M EUR or so.