Latest Interviews
Showing 46–60 of 321 transcripts.
Clear all filters- Y Combinator38 min
Billion-Dollar Unpopular Startup Ideas
Amidst a saturated AI landscape, successful founders are shifting focus from greenfield ideas to contrarian strategies that leverage first-principles thinking and navigate regulatory gray areas to outmaneuver crowded verticals. This approach is exemplified by companies like GigaML, Campfire, and Flock Safety, which defy conventional venture capital metrics by replacing human-intensive services with autonomous AI agents, building full-stack enterprise suites, and pivoting hardware models toward high-impact public safety markets. Ultimately, achieving outlier success requires ignoring market noise and consensus to solve non-obvious human needs, a methodology that has historically turned skeptically received concepts into billion-dollar valuations.
- Y Combinator13 min
This Startup Is Trying To Delete 29% Of All CO2 Emissions
Remora has launched a solid-pellet based carbon capture system that reduces CO2 emissions by up to 90% in hard-to-electrify diesel trucks and freight trains, converting the captured gas into beverage-grade CO2 for commercial reuse. Backed by $117 million in venture capital, the Detroit-based company is vertically integrating its manufacturing to deploy modular retrofits to major partners like Ryder and Union Pacific while testing the technology on a repurposed locomotive. Co-founders Paul Gross and Christina Reynolds aim to scale this point-source solution to capture one billion tons of carbon annually by overcoming the logistical challenges of retrofitting diverse vehicle fleets.
- Y Combinator41 min
Ask These Questions Before Starting An AI Startup
Founder and alignment researcher Sam Altman warns that the imminent arrival of AGI within two to three years forces startups to radically rethink hiring, product design, and long-term strategy beyond traditional focus models. He argues that enterprises will soon bypass external SaaS providers by building internal software with AI, while consumer markets may shift from static apps to on-demand, AI-generated solutions that require new trust mechanisms like automated auditing. Ultimately, Altman urges founders to prioritize solving hard infrastructure problems and societal impact over immediate monetization, as the window to build defensible moats against commoditization and centralized control narrows rapidly.
- Y Combinator42 min
Why Now Is The Best Time To Build In Crypto
Led by Base founder Jesse Pollock, industry leaders declare a new golden age for crypto building driven by mature infrastructure that has reduced transaction costs to near zero and achieved regulatory clarity through legislation like the Genius Act. This environment enables a shift from legacy financial systems to programmable, censorship-resistant networks where stablecoins facilitate global access and tokenization allows creators to retain ownership of their capital. As a result, Coinbase and Y Combinator are prioritizing technical founders who apply these scalable Layer 2 architectures to solve real-world problems, signaling a surge in high-quality engineering teams ready to integrate AI and financial services over the next 18 months.
- Y Combinator42 min
The Future of Software Creation with Replit CEO Amjad Masad
Amjad Masad, Chinat, Shivam, Sophia, Emma
Replit outlines a strategic pivot toward making software engineering obsolete by developing autonomous agents that operate within a robust, sandboxed cloud infrastructure capable of end-to-end testing and self-healing. This transition aims to shift software value from expensive SaaS applications to near-zero-cost, prompt-driven creation, enabling individuals to act as sovereign entities that assemble teams and deploy full-stack solutions instantly. By achieving near-full autonomy in the next agent generation, the platform intends to dismantle traditional corporate hierarchies in favor of on-demand, mission-based networks where human creativity complements agent-driven execution.
- Y Combinator51 min
The FDE Playbook for AI Startups with Bob McGrew
Originating at Palantir to solve intelligence agencies' workflow opacity, the Forward Deployed Engineer model embeds analysts and prototypers at customer sites to drive product discovery through high-touch, outcome-based engagements. This strategy has rapidly spread to the AI sector, where over 100 startups now hire FDEs to bridge the gap between generic large-scale models and specific enterprise needs while securing contracts tied to delivered value rather than usage. As OpenAI’s Bob McGrew observes, these on-site teams function as essential execution layers that extract practical utility from rapidly advancing technology, positioning human ingenuity and adaptive implementation as the primary drivers of market adoption.
- Y Combinator28 min
Michael Truell: Building Cursor At 23, Taking On GitHub Copilot & Advice To Engineering Students
Founded by MIT graduates led by Michael Truel, Cursor pivoted from failed ventures in CAD and encrypted messaging to launch a custom AI-driven code editor in late 2022 with an aggressive vision to automate the future of software development. Leveraging a strategic shift to API-based models and a product-led growth approach, the team scaled rapidly from one million users in 2023 to over 100 million in 2024, capturing approximately 80% of YC batches. This rapid adoption was driven by features emphasizing codebase awareness and speed, reinforcing the founders' long-term outlook that AI will transform the industry into a collaborative ecosystem where programming fundamentals remain critical for reviewing and editing AI-generated logic.
- Y Combinator45 min
How This 25-Year-Old Built A $675M Legal AI Startup (With No Legal Experience)
Gustaf Alströmer, Max Junestrand, Mark Mandelmann, Martin Splitt
Founded in 2024 by Max Giunestrand, Legora is an AI-powered workspace for legal professionals that recently secured an $80 million Series B funding round led by Iconic and General Catalyst. The company differentiates itself through a "software + service" hybrid model and a data-centric architecture that ensures GDPR compliance by hosting all European client data within the EU. With a flat organizational structure that scaled from ten to 100 employees in less than a year, Legora is aggressively expanding its operations to hubs in New York, London, and Stockholm to support law firms in navigating the AI transition.
- Y Combinator36 min
Anthropic Co-founder: Building Claude Code, Lessons From GPT-3 & LLM System Design
Tom Brown, Melanie Warrick, Mark Mandelbaum, Mark Mirchandani, Brian Dorsey, Priyanka Vergadia, Priyan Kavanagh, Leslie Kendrick, Francesc Campoy
Vivek Mirchandani, a founding engineer at OpenAI and Anthropic, pioneered the scaling laws strategy that established the link between compute investment and model intelligence before co-founding Anthropic to prioritize AI safety and alignment. Under his leadership, Anthropic shifted focus from early consumer prototypes to building robust training infrastructure, ultimately delivering the coding-dominant Claude 3.5 Sonnet model while navigating global bottlenecks in electricity and multi-vendor hardware supply chains. The organization's approach combines internal qualitative benchmarking with a multi-vendor hardware strategy to drive the largest infrastructure buildout in history, positioning the company at the center of the coming wave of AGI development.
- Y Combinator46 min
The Finance Startup Bringing Agentic AI to Wall Street
Arnie Englander, Gustaf Alstromer, Chas Englander
Model ML, founded by siblings Arne and Chas, has transitioned its financial services agentic AI platform from a testing phase to rapid deployment, securing contracts with approximately 10% of the world's largest investment institutions. By replicating human cognitive access within familiar interfaces like Excel, the system automates complex data extraction and document creation for C-suite executives, shifting purchasing cycles from decade-long software licenses to annual multi-year agreements. With a global engineering presence and a strategy prioritizing high-trust in-person demos, the founders leverage their previous exits from Fat Llama and Fancy to drive a market where autonomous tasks increasingly replace traditional user interfaces.
- Y Combinator41 min
Scaling and the Road to Human-Level AI | Anthropic Co-founder Jared Kaplan
This event details how precise scaling laws governing pre-training and reinforcement learning enable predictable AI progress, with task horizons doubling every seven months to support long-term autonomous work. It highlights the launch of Claude 4, which introduces persistent memory and refined coding agents to facilitate complex, multi-day tasks while advocating for a strategic focus on "70% right" applications and greenfield domains like law and finance. The discussion concludes with a roadmap for shifting human-AI collaboration from supervisory oversight to full automation, driven by the expectation that incremental self-correction and hybrid training data will exponentially extend AI capabilities.
- Y Combinator36 min
How Replit Went From $10M to $100M ARR In Just 9 Months
Replit has strategically pivoted to an AI-driven mission centered on its autonomous Replit Agent, a move supported by a dedicated infrastructure of NixOS and parallel agent sampling that achieved 45% monthly growth following a targeted workforce reduction. CEO Amjad Massad describes this transition as lowering barriers to software creation, enabling product managers and designers to deploy applications directly and shifting the primary bottleneck from engineering capacity to the volume of human ideas. As the technology matures beyond model coherence into complex computer use, the company anticipates a future where generalist knowledge and idea generation replace traditional coding syntax as the critical skills for creators.
- Y Combinator43 min
Aravind Srinivas: Perplexity's Race to Build Agentic Search
Aravind Srinivas, Sami, Akshat, Ravin, Angela
Perplexity AI founder Aravind Srinivasan addresses the company's rapid infrastructure strain and recurring competitive skepticism while detailing the strategic development of "Comet," an AI-powered browser designed to function as a cognitive operating system for complex agentic tasks. Differentiating itself from incumbent tech giants bound by ad-revenue models, the 200-person team leverages AI-driven engineering workflows to iterate quickly, aiming to capture direct transaction revenue through subscriptions rather than competing on traditional search advertising. Srinivasan projects a future where Perplexity maintains market relevance by prioritizing speed and human oversight in distributed systems against inevitable large-scale replication attempts from major competitors.
- Y Combinator44 min
Andrew Ng: Building Faster with AI
AI Fund accelerates startup velocity by co-founding approximately one venture monthly through direct code writing and feature definition, leveraging agentic AI workflows to address complex tasks in sectors like healthcare and legal compliance. The organization emphasizes concrete product hypotheses and agile prototyping to shift engineering bottlenecks toward product management, thereby altering standard PM-to-engineer ratios to 0.5:1 while empowering non-engineering staff with coding literacy. Strategic guidance further stresses that rapid iteration and ethical filters outweigh speculative narratives, prioritizing application-layer revenue generation and open-source accessibility over fears of existential risk or regulatory gatekeeping.
- Y Combinator39 min
How to Spend Your 20s in the AI Era
The event critically examines how AI is collapsing traditional computer science career safety nets and redefining startup economics by shifting capital formation toward direct revenue generation rather than external validation. It argues that competitive advantage now relies on "forward-deployed engineering" and niche domain expertise, urging founders to build value through tangible utility rather than brand narratives or simulated success. Furthermore, the discussion outlines a preparation framework for entrepreneurs emphasizing frugality, co-founder synchronization, and the strategic use of proprietary data to secure moats in specialized markets before the potential obsolescence of human labor renders current wealth accumulation obsolete.