News Summary

• Y Combinator hosted its Summer 2025 Demo Day last week, showcasing the latest batch of over 160 startups.
• As with recent batches, the majority of startups presented AI-centric solutions.
• However, a clear evolution was evident.
• Instead of “AI-powered” products, many companies are now building AI agents or the infrastructure and tools needed to develop them.We spoke with a handful of YC-focused investors to learn which startups they found most interesting and which generated the highest investment demand.