Latest Interviews

Internal Agent Builder

Y Combinator is funding founders to build internal agent platforms that enable every employee to create personal AI tools for automating routine tasks. This initiative leverages secure infrastructure integrated with daily software to handle sensitive data, effectively reducing time spent on mundane operations like term sheet reviews. The strategic goal is to eliminate low-value work so staff can dedicate their efforts to high-value human activities, such as supporting founders, while YC invites entrepreneurs to develop the foundational AI infrastructure required for this shift.

Software Tools To Make Robots

Robotics is approaching a pivotal moment as foundation models overcome historical barriers of cost and environmental fragility, enabling robust real-world performance in sectors like industrial inspection and autonomous agriculture. Immediate commercial traction is evident through acquisitions such as John Deere's purchase of Bear Flag Robotics, validating the B2B market over consumer applications. Capitalizing on this maturation, the sector is actively securing funding for software toolkits while investors signal strong bullish sentiment to support founders building the next generation of capable machines.

AI for Residential Security

Despite the commercial security sector achieving disruptive growth through AI-driven facial recognition and virtual guards deployed by firms like Verkada and Lumana, the stagnant $20 billion global residential market remains dominated by legacy hardware. The $1 billion acquisition of Ring highlighted the immense value of connected video sensors, yet a critical gap persists in applying advanced artificial intelligence to residential safety. This event focuses on the significant opportunity for a new entrant to leverage AI capabilities and transform the static residential home security landscape into a proactive, intelligent safety ecosystem.

Healthcare AI

With administrative tasks consuming roughly one-third of the US healthcare system's $4 trillion annual budget, a new wave of startups has emerged to solve the interoperability crisis caused by absent APIs. These companies are building specialized infrastructure to extract, organize, and integrate data from disparate systems, effectively creating the foundational layer needed for broader data integration. This emerging ecosystem aims to drastically reduce the $1 trillion in wasted administrative spending by enabling secondary startups to address complex data connectivity issues.

AI Personal Tutor for Everyone

Grant Sanderson

Building on JCR Licklider's 1960s concept of human-computer symbiosis, the initiative leverages modern multimodal reasoning models to deliver the interactive, step-by-step visualizations and voice explanations seen in benchmarks like 3Blue1Brown. This approach overcomes historical limitations by offering true personalization that decomposes complex topics into accessible formats for every learner with basic internet access. The project concludes with an open invitation for developers of AI tools to collaborate in realizing a vision where high-quality, personalized tutoring is universally available.

AI Personal Assistant

Driven by recent advances in Large Language Models, a new class of AI personal assistants is emerging to transform static task lists into automated execution systems that act as full-fledged chief of staff. These advanced tools leverage deep contextual understanding of a user's correspondence, scheduling, and work routines to independently handle emails, calendar management, and recurring processes while maintaining user approval controls. The initiative seeks strategic collaboration with startups to bring this executive assistance technology to market, ultimately offloading operational burdens so users can dedicate their attention exclusively to high-value strategic work.

AI for Scientific Advancement

A new "Test Time Compute" paradigm is empowering startups to solve previously intractable challenges in drug discovery, chemical processing, mining, and power grid optimization by modernizing decades-old scientific software. This initiative aims to fundamentally accelerate physical manufacturing through AI-driven transformations that no longer rely solely on traditional PhD-level expertise. The organization is currently seeking engagement from founders and teams capable of executing these specific applications to redefine how physical things are made.

Voice AI

For nearly a century, business voice interactions have relied on inefficient legacy systems like IVR trees, yet consumer demand remains fixed on human connection. Advancements in conversational LLMs now allow startups to deploy AI agents capable of handling over one trillion annual transactions with performance matching or exceeding human standards. This technological leap is rapidly replacing outdated keypads and wait times, offering a functional quality unlock comparable to early autonomous vehicle experiences.

More Design Founders

The presentation argues that integrating advanced coding tools over the next decade will elevate superior design to a primary strategic asset, prompting a shift from traditional employment to founder-led product launches. By redefining the "design job of the future" as entrepreneurship, the speaker highlights how user empathy and quality standards, proven by successes like Airbnb and Stripe, can drive independent company formation. Consequently, the strategy prioritizes funding teams that embed strong design culture from the outset to capitalize on these accelerating technological capabilities.

Full-stack AI Companies

Y Combinator announced a strategic pivot to prioritize funding for "full-stack AI companies" that replace industry core operations with automated agents rather than selling tools to existing businesses. This initiative specifically targets slow-moving incumbents, aiming to have startups build entirely new firms that directly compete with traditional players using large language models. The shift marks a deliberate move from a vendor model to an aggressive strategy designed to displace established industry dinosaurs through complete operational automation.

Irrational optimism and uncompromising realism.

Varun Mohan

Recognizing GitHub Copilot as an inevitable market leader, the company founders adopted a dual-belief framework of irrational optimism and uncompromising realism to justify the existential risk of competing against Microsoft and OpenAI. They executed a high-stakes strategy by training and deploying their own independent autocomplete models within their product as a free user feature. This approach aimed to capture untapped market potential despite the certainty that failure would result in the company's demise.

Why Rome actually fell: plagues, slavery, & ice age — Kyle Harper

Kyle Harper

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Why Now Is the Best Time for Designers to Start Companies

Raphael Schaad

The evolution of design from an inquiry-based art to an industrial problem-solving discipline has been driven by the sector's integration into engineering and production frameworks. Today, this shift is defined by designers directly controlling the means of production through software and code, effectively bridging the gap between conceptualization and physical manufacturing. Consequently, modern practitioners have moved beyond static, non-digital outputs to actively execute the creation of objects, fundamentally altering the relationship between design intent and material realization.

Celebrating 20 Years of Y Combinator

Paul Graham, Jessica Livingston, Trevor Blackwell, Robert Morris

Originating from a collaboration between Paul and a co-founder to address flaws in traditional investing, Y Combinator adopted a batch funding model for eight startups that was rapidly validated as highly effective. Recruiting early co-founders like Robert Morris and Trevor Blackwell to fill their inexperience in angel investing, the program evolved from a small project into a persistent, university-like institution designed to operate for centuries. With a legacy goal of improving lives and the world, the initiative continues to drive enthusiasm through extensive educational outreach and initiatives like Startup School while maintaining its core mission of launching new ventures.

Benchmark GP, Victor Lazarte: The 3 Traits All the Best Founders Have

Victor Lazarte, Harry Stebbings, Peter Fenton

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