The 9 most sought-after startups from YC Demo Day

The Y Combinator hosted the 2025 Demo Day of his summer last week, showing the latest batch of more than 160 startups.

Like the recent batch, most startups presented the AI-centric solution. However, a clear evolution was clear. Instead of “AI-powered” products, many companies are now creating AI agents or infrastructure and equipment needed for their development. For example, this batch of Voice AI solution and new business were in a flurry of advertising and marketing tools to help “AI Economics” assisting in cashing.

We have talked to a handful of WAC-centric investors to learn which startups they have considered the most interesting and the highest investment demand.

The bottom contains the most frequently mentioned:

What does it do: Strip for AI Startups

Why is it a fave: Many AI startups use complex price models that often combine flat subscription fees per seat with use-based charges, credit and various add-on expenses. Determining a complex AI price in the strike is a time -consuming, manual process. This is why autumn has created an open-source infrastructure that facilitates the integration of stripes for AI startups. The agency says its technology has already been used by hundreds of AI apps and 40 YC startups. Can a special billing solution for AI, a special billing solution for AI, can be the story of the next major fintech success in paying the domination of Stripe and AI market explosives?

What does it do: AI creates Versel for agents

Why is it a fave: As it helps to deploy and host the startups of Versel Developers, Dedalus labs have claimed that its platform automatically automatically to create AI agents, a few click coding is spending hours. The company operates complex tasks such as autoskling and load balanceing, which says that the agent’s deployment makes the deployment faster and easier.

What does it do: Vibe Coded Design Crowdsource Rankings

Why is it a fave: AI’s ability to produce a large number of designs creates a new problem: determines which is actually better. Design Arena solves it by ranking AI-exposed visuals, creating a reaction loop that forces AI models to improve. Large AI labs see the price for training to create their models better designs, as some of them are already designing arena customers.

What does it do: Technology

Why is it a fave: Gatasap Asia was three years ago when he founded Raghav Aurora at the age of 14. Since then, the startup that uses technology to supply the supply to the corner stores, restaurants and large supermarkets in Southeast Asia has earned millions of earnings. Gatasap has closed a round from the Asia General Catalist, according to it WebsiteAnd we hear that the startup evaluation was the highest in the whole batch.

What does it do: AI Engineer that fixes bugs in production

Why is it a fave: A 20-year-old Pablo Hansen, who received a Masters Degree in AI last year, is on the mission to reduce the Kistone software break. Hansen said the company’s AI looking for clients like AI Lovers and fixing and already rejected a seven-photo acquisition offer, Hansen said.

What does it do: AI Matchmaker for female friends

Why is it a fave: Although there is no shortage of dating applications, the realrots are dealing with different types of loneliness. The company’s AI matchmaker, Lisa, interviews women and then organizes social experiences to connect with their compatible friends. Although the AI ​​part may be performance – conversation with Lisa is probably not more insight about participants than the written answers written – the realm can remain at all. Last month, the company created a $ 782,000 from the clients of paying 9,000, the founder of it.

What does it do: By AI automated insurance claims including AI

Why is it a fave: The maximum routine works for Solver AI insurance adjasters automatically automatically, starting with completing complex claims to prevent inappropriate payment. Just ten weeks after the introduction, Solva has already collected $ 245,000 on annual repeated earnings (ARR), which is an image that has provided investors.

What does it do: Counter-drone mini-missiles

Why is it a fave: With China Report The US military is facing an urgent need to solve the expensive counter-drone by shaking cheap drones. Persius is developing it right: small missiles designed to shoot drones in a fraction of existing systems. Multiple branches of the US military have already invited the startup to display the solution, which could lead to a fat deal.

What does it do: AI Foreign Language Tutors

Why is it a fave: Applications like dualingo make language learning accessible and fun, but they often lack the main element of fluidity: consistent conversation. Pingo resolves this problem by allowing users to talk to his AI, which acts as a local speaker. The organization’s unique approach is incredibly popular, the founders have claimed that it is growing 70% monthly and is earning $ 250,000 on monthly earnings.