From floating reactors to brain chips: VCs picked their favorite YC startups from the summer batch.

Listen Labs walked away from a signed Series C term sheet from Menlo Ventures, sources say.

The nine-year-old startup is replacing hundreds of employees with thousands of AI agents.

Returning backers a16z and Thrive are expected to lead the round.

The startup provides an e-prescribing marketplace for the booming cash-pay clinic market.

The startup also announced a $5 million "rescue fund" to help credit unions ditch legacy software for its AI-native platform.

The data infrastructure startup raised $5.3 million in seed funding led by Wischoff Ventures and South Park Commons.

Rox, founded in 2024 by the former chief growth officer of New Relic, offers an AI-native alternative to CRM tools.