Key facts
- Y Combinator's latest Demo Day featured startups with a significant skew towards deep tech.
- VCs identified nine startups as the most buzzy from the batch.
- Automarine is developing nuclear-powered floating data centers and claims over $4 billion in customer interest.
- Dipole Labs is creating energy-efficient optical networking hardware for AI data centers.
- Isengard Industries is producing jet-powered strike and counter-drones locally for allied countries and has $10 million in revenue.
- Lamb Labs is building custom inference chips with hardcoded AI model weights.
- Praxis AI collects real-world data to train robots for businesses.
- Nori is offering affordable humanoid robots for everyday tasks, priced around $1,600.
- Cosmic Robotics builds autonomous robots for heavy-duty tasks and has $25 million in contracts.
- Parasma is exploring the use of human brain cells to power AI computing.
- Waddle Labs develops an API layer that writes robot control code using LLM agents.
Y Combinator's latest Demo Day, held on Thursday, showcased a cohort of startups with a pronounced emphasis on deep technology, a departure from previous years. Early-stage venture capitalists identified nine companies as the most buzzed-about from the batch, highlighting innovative solutions in areas such as AI, robotics, and energy infrastructure.
Investors described the technology presented as feeling like "science fiction," but noted that valuations appeared more grounded compared to recent cohorts. Among the standout startups is Automarine, which is developing nuclear-powered floating data centers and claims to have secured over $4 billion in customer interest. Dipole Labs is addressing the need for efficient data movement in AI data centers with its optical networking hardware. Isengard Industries is mass-producing jet-powered drones for allied countries and has already generated $10 million in revenue.
Other notable companies include Lamb Labs, creating specialized chips for AI inference; Praxis AI, which collects real-world data for robot training; and Nori, offering affordable humanoid robots for household tasks at around $1,600. Cosmic Robotics is developing autonomous robots for heavy-duty installations, with $25 million in contracts, and has a long-term vision of aiding Mars colonization. Parasma is exploring the use of human brain cells as an energy-efficient alternative for AI computing, while Waddle Labs is developing an API layer that uses LLM agents to write robot control code.