Where to Build in AI Agents: 25 Startups Solving the Hardest Problems in 2026 (7 Categories)

I don't usually write articles like this, but 2026 has been a pretty interesting year for AI agents. Here are 25 startups building in this space that I'm particularly bullish on, grouped into 7

I don't usually write articles like this, but 2026 has been a pretty interesting year for AI agents. Here are 25 startups building in this space that I'm particularly bullish on, grouped into 7 categories based on the problems they're trying to solve. I've arranged these categories in an order that makes it easier to understand how the space is developing and where things might go next. Some of these companies are solving problems so boring that you wouldn’t even imagine they exist in the first