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AI agent startups at Y Combinator’s Spring ’25 Demo Day


Startup accelerator Y Combinator's Demo Day for its inaugural spring cohort featured many agentic AI startups.

When Y Combinator issued a callout earlier this year for more founders building so-called "agentic" AI — software that can essentially think and perform tasks on its own — entrepreneurs were all ears. YC invests $500,000 in every company it selects, and its alumni roster includes success stories such as Stripe, Airbnb, DoorDash, Coinbase, and Instacart. Willow What it does: A voice dictation app that replaces the keyword with spoken word and uses an AI agent to craft messages in a user's tone.

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