The AI Agent Market Is Splitting in Two — And Most Builders Don't Realize It Yet

Everyone's building "AI agents" in 2026. But after watching 50+ launches and talking to dozens of founders, I'm convinced we're actually seeing two completely different markets masquerading under one label. Market A: Task Agents (Replace a Workflow) These are the schedulers, expense filers, inbox triagers. Clear inputs, clear outputs, measurable ROI. Examples: Lindy, Zapier Agents, Workbeaver Characteristics: Deterministic outcomes (it either filed the expense or it didn't) Easy to measure ROI (