Meet the 21 most promising startups from Y Combinator’s latest batch, building infrastructure for AI agents, cybersecurity, biotech, hardware and even lunar habitats.

Since the release of ChatGPT in November 2022, Silicon Valley has been consumed by the rush to build billion-dollar AI startups. Nowhere is that more true than at Y Combinator, the blue-chip startup ...

Y Combinator‘s latest cohort offers a glimpse into the maturation of artificial intelligence. According to recent analysis by CB Insights‘ research team, the Fall 2025 batch underscores AI’s ...

Y Combinator's spring 2025 batch featured 70 startups focused on agentic AI. The intensive, three-month accelerator program invests $500,000 in each selected startup. BI combed through YC's spring ...

Despite ongoing debates about its long-term sustainability, the artificial intelligence industry remains a magnet for substantial investment. While some critics warn of an impending AI bubble ...

CoreWeave, the AI-focused data center operator, announced on Wednesday that it inked an agreement to acquire OpenPipe, a startup specializing in training artificial intelligence agents. The ...

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Forbes contributors publish independent expert analyses and insights. I’m a founder, writer and lecturer focusing on VC funds. The YC demo day numbers present a fascinating puzzle. Y Combinator’s ...

Y Combinator-backed startup Firecrawl is back on the hunt for AI agent employees. As we reported back in February, its first attempt didn’t yield an AI worth hiring. But it’s now placed three new ads ...

The accelerator’s new ‘Requests for Startups’ covers everything from AI hedge funds to advanced metal mills. Y Combinator just published its spring 2026 “Requests for Startups,” the Silicon ...