Latest Interviews
Showing 76–90 of 334 transcripts.
Clear all filters- Y Combinator31 min
State-Of-The-Art Prompting For AI Agents
Industry leaders are advancing LLM agents beyond 1995-era prompting by establishing layered architectures that separate system logic from customer-specific context, utilizing meta-prompting techniques to dynamically refine instructions. Founders are simultaneously securing competitive moats by physically embedding with domain experts to generate high-quality evaluation datasets that translate deep operational knowledge into proprietary assets. This "forward-deployed" model, combined with specialized debug tools and distinct model behavioral archetypes, enables rapid scaling of seven-figure enterprise deals through continuous, data-driven prompt optimization.
- Y Combinator30 min
How To Design Better AI Apps
Pete Kuhman argues that most current AI software applications are merely legacy interfaces retrofitted with basic chat capabilities rather than being re-engineered as true "action-oriented" agents. He proposes a shift where users can customize or auto-generate system prompts to transform AI from a generic text generator into a tool that executes complex, multi-step workflows across different software environments. Supported by Y Combinator's internal implementation of such agents, this paradigm aims to replace manual prompt engineering with personalized, autonomous systems that handle routine cognitive tasks.
- Y Combinator38 min
How Zepto Became India’s Fastest Growing Startup
Zepto co-founders Aadit Palicha and Aadit Palicha (KB) scaled a Mumbai-based grocery startup into a $5 billion unicorn by pioneering a "customer backward" dark store model that delivers 1.5 million daily orders across 50 Indian cities in ten minutes. The company achieved financial efficiency by breaking even just over two years ago despite a global capital freeze, while diversifying revenue streams through advertising and new verticals like Zepto Cafe. Driven by a long-term vision to rival global giants like Amazon, Zepto leverages generative AI and a cost-effective Indian talent pool to expand beyond groceries into electronics and general merchandise.
- Y Combinator21 min
What Founders Can Do To Improve Their Design Game
Raphael Schad argues that successful startups require the intersection of design, business, and technology, urging designers to learn coding to bridge the gap between concept and execution. His startup Cron exemplifies this approach, having evolved into Notion Calendar following an acquisition that validated the power of founders who can build their own product visions. As artificial intelligence reshapes product categories, Schad emphasizes that the ability to create interactive prototypes and understand technical constraints remains a critical competitive advantage for modern founders.
- Y Combinator32 min
DoorDash CEO: Customer Obsession, Surviving Startup Death & Creating A New Market
DoorDash was founded on the principle of empowering physical businesses after observing a macaroon store owner's inability to fulfill delivery requests, leading to a validated strategy that prioritized suburban markets and a diverse driver workforce over traditional high-density city centers. The company weathered critical operational crises, such as the 2013 Stanford delivery delays and persistent investor skepticism, by establishing a customer-obsessed culture that later enabled it to surpass competitors during the 2020 pandemic through strategic commission cuts and industry-wide support. Today, DoorDash employs over seven million drivers and commands approximately 60% of the U.S. food delivery market share while maintaining its long-term mission to grow the GDP of every city.
- Y Combinator26 min
From A Pivot To Building A $9.6 Billion Payroll Company
Harj Taggar, Joshua Reeves, Hodge Tagger
Founded by three co-founders who pivoted from a failed expert advice marketplace, Gusto revolutionized the fragmented U.S. payroll industry by delivering a cloud-based, design-driven solution that replaced outdated manual processes used by major incumbents like ADP. The company initially targeted California startups with bare-bones tax filings before leveraging a landmark seed round from prominent tech founders to scale into benefits and compliance, ultimately positioning itself as an AI-powered back-office partner for small businesses. Today, Gusto continues to drive market growth by expanding its self-serve platform and launching a comprehensive compliance hub, aiming to increase the survival rate of new employers through proactive, pattern-matched operational guidance.
- Y Combinator38 min
Figma's Dylan Field: Exploring the idea maze, vibe coding, and the power of “locking in”
Co-founded by Dylan Field, Figma evolved from a series of early pivots into a dominant collaborative design platform that successfully integrated engineers and product managers alongside traditional designers. The company's trajectory was shaped by a user-driven roadmap that birthed features like FigJam and an internal culture of "Maker Weeks," which emphasized rapid iteration over long-term planning. Field's current strategy leverages AI strictly as a capability-enhancing tool to lower participation barriers while acknowledging its inability to replicate human judgment in complex design contexts.
- Y Combinator35 min
How To Build The Future: Aravind Srinivas
Perplexity achieved a valuation exceeding $9 billion by pivoting from enterprise prototypes to a consumer search engine that leverages modern LLMs to summarize top search results while adhering to a "user is never wrong" philosophy. Founder Aravind Srinivas credits the platform's exponential growth to viral user adoption and a strategic focus on engagement metrics rather than complex agent-based browsing. Looking ahead, the company aims to evolve into a full-stack decision engine capable of executing end-to-end tasks like booking travel, thereby overcoming the current industry split between information retrieval and commercial monetization.
- Y Combinator49 min
How AI Is Changing Enterprise
Aaron Levie, Gary, Jared, Harj, Diana, Mark Mandelmann, Mark Mirchandani, Mark Mandalini, David Eastman, Melanie Warrick
Industry leaders assert that sustainable AI startups must evolve into software companies delivering proprietary business logic rather than relying on simple model wrappers, a shift driven by the economic reality that intelligence is becoming commoditized. This transition is fueled by Jevons Paradox, which predicts that lower costs will expand the total addressable market by enabling enterprises to automate previously unaffordable workflows while shifting pricing models toward usage-based structures. Consequently, Fortune 500 organizations are rapidly adopting AI-native strategies focused on core intellectual property, leveraging agentic workflows to reinvest efficiency gains into growth rather than workforce reduction.
- Y Combinator14 min
How Blake Scholl Built The First Independent Supersonic Jet
Boom Supersonic, founded by former Amazon and Groupon engineer Blake Schull, is advancing its XB-1 supersonic prototype to validate the technical feasibility of a next-generation airliner. This initiative aims to replace the Concorde with the Overture, a 65-passenger aircraft utilizing sustainable fuel and sonic boom mitigation technology to enable overland travel. By prioritizing business-class pricing and targeting commercial operations by 2029, the venture seeks to overcome the historical economic failures of supersonic flight through a lean development strategy.
- Y Combinator31 min
Bob McGrew: AI Agents And The Path To AGI
Industry leaders identify a shift toward "test-time compute" and reasoning mechanisms as essential to overcoming data bottlenecks and enabling 99% reliable autonomous agents. OpenAI's hybrid research model, which balances leadership direction with individual autonomy and collective credit, serves as a blueprint for scaling intelligence across LLMs and robotics. Future adoption hinges on developing specialized software interfaces and "forward deployed" engineering teams, ultimately bifurcating the workforce into "lone geniuses" leveraging AI and managers running AI-heavy firms.
- Y Combinator40 min
AI Revolution: What Nobody Else Is Seeing
Paul Buchheit, Harjit, PV, Diana, Gary, Sam, Venkatesh Rao, Aaron Levy, Mark Mirchandani
The YC Spring Batch reports that AI-driven startups are achieving unprecedented growth rates, with several companies scaling to $12 million ARR in just one year by leveraging high-leverage operations and automated service models. This rapid expansion is fueled by immediate enterprise adoption of AI agents, which has shifted competitive barriers from sales to technical execution and enabled teams to bypass traditional hiring and software procurement hurdles. Looking forward, industry leaders anticipate a structural economic shift where "machine money" drastically reduces the cost of goods while valuing human agency, fundamentally altering how businesses operate and how value is generated.
- Y Combinator14 min
How To Use AI In Your Startup
The Y Combinator Spring Batch application deadline of February 11th offers selected startups a $500,000 investment and critical network access, with a strong emphasis on relocating to the San Francisco Bay Area to stay synchronized with rapidly evolving market conditions. Founders are advised to integrate large language models into their core product or operations rather than merely pivoting for trendiness, leveraging their physical proximity to industry leaders to identify automation opportunities in sectors like healthcare and legacy software replacement. Case studies such as WAPI illustrate how embedding within the SF community enabled an early pivot to voice AI, contrasting with remote companies that failed to adapt due to an informational lag in understanding current technological capabilities.
- Y Combinator43 min
How To Build The Future: Parker Conrad
Entrepreneur Parker Conrad leverages his experiences with the failed SigFig and the tumultuous Zenefits eras to found Rippling, a $13.5 billion "compound software" company that integrates payroll, benefits, and IT into a single data platform. Conrad advocates for a "founder mode" of direct operational involvement to fix systemic issues while arguing that his strategy of bypassing traditional sales models in favor of end-to-end automation challenges the inefficiencies of fragmented point-SaaS solutions. Looking forward, he predicts that AI will fundamentally reshape business operations by enabling smaller, more efficient organizational structures through deep data analysis, even as the market remains divided between his integrated approach and legacy fragmented software models.
- Y Combinator25 min
Building A $2 Billion SaaS Company: Lessons From A Two Time Founder
Rujul Zaparde, Dalton Caldwell, Rajul
Rajul, the former founder of the asset-heavy startup Flight Car and a former Airbnb product manager, founded the B2B procurement platform Zip in 2020 after applying operational lessons learned from his prior failure and his tenure at Airbnb. Leveraging a strategy of direct cold outreach and early paid pilots to validate demand, the company recently secured a $2.2 billion Series D valuation with $370 million in total funding. Zip now operates as a scalable software solution serving 350 employees while avoiding the negative feedback loops of low margins that previously hindered Rajul's earlier venture.