Latest Interviews

America’s First Civil Supersonic Jet to Break the Sound Barrier

Blake Scholl

Boom Supersonic's XB1 aircraft successfully broke the sound barrier, marking the first time an independently developed supersonic jet has achieved this critical milestone. Founder Blake Scholl led the initiative to validate the safety and operational lessons necessary for scaling future commercial supersonic passenger travel. This achievement demonstrates how pursuing ambitious technological challenges can drive breakthrough solutions while navigating the emotional extremes inherent in high-stakes aviation startups.

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.

How To Use AI In Your Startup

Brad, Pete, Gustav, Nicola

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.

How To Build The Future: Parker Conrad

Parker Conrad, Garry

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.

Zip co-founder Rujul Zaparde on going from 0 to 1 with enterprise sales

Rujul Zaparde

Founders validated their business concept by acquiring their first ten customers exclusively through cold LinkedIn outreach, deliberately avoiding referrals or personal networks. This disciplined strategy, which combined daily connection limits with advisory-style discovery calls, generated a 107-page synthesis of market intelligence while establishing a permanent outbound sales bias that dominates the company's current acquisition model.

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.

Jared predicts that in 2025, we’ll be able to have Zoom calls with AI

Jared

An upcoming AI product slated for 2025 will feature real-time video calls with virtual avatars, building upon the natural low-latency voice technology established in 2024. This progression aims to overcome current usability hurdles regarding high latency and inaccurate lip-syncing that currently trigger an "uncanny valley" effect in interactions. Speakers anticipate a transformative breakthrough where improved visual fidelity and reduced latency converge to create seamless, non-uncanny virtual experiences.

Astranis just successfully launched 4 high-orbit satellites aboard SpaceX's Falcon 9

Eight years after starting in a small apartment, this hard-tech startup has expanded to a Pier 70 facility where over 400 employees are finalizing four satellites for a dedicated SpaceX Falcon 9 launch. This milestone launch supports the company's strategic pivot toward operating a five-satellite constellation while simultaneously developing next-generation systems. Leadership emphasizes that domain expertise and perseverance are sufficient to scale complex operations without needing the resources of major industry figures like Elon Musk.

2024: The Year the GPT Wrapper Myth Proved Wrong

Jared Harge, Diana, Harj, Lily Yang, Cheng Cheng, Suk Peng, Yiu, Francesc Campoy Flores, Priyanka Vergadia, Anan, Mark Mandelbaum, Melanie Warrick, Mark Mirchandani, Gary Miles, Leslie Kendrick Magnuson, Harjit

The 2024 startup landscape shifted toward capital-efficient growth, where companies like Opus Clip and Perplexity achieved tens of millions in revenue with under $5M in funding by leveraging open-source models and vertical-specific applications. Enterprise adoption accelerated as AI agents attained enterprise-scale reliability, driving a record-breaking aggregate weekly growth rate of 10% for YC batches while converting pilots to revenue at unprecedented speeds. This ecosystem revival was fueled by regulatory relief, a resurgence of in-person Silicon Valley activity, and a strategic pivot from model monopoly to multi-model orchestration that prioritized product execution over raw compute ownership.

Vertical AI Agents Could Be 10X Bigger Than SaaS

Gary, Jared Harge, Diana, Mark Mandelbaum, Aaron Cannon, Mike, Brett Taylor, Parker Conrad, Matt McGinnis, Salient, VAPI, Rippling, Speedy Brand, OpenAI, Claude, Melanie Warrick, Nico, A Priori, Capital.ai, PowerHelp, Giga ML, Zepto, Mementic, Rainforest QA, Triplebyte, Outset, Vector Shift, Mark Benioff, Paul Graham, Travis, Jake Heller, Flo Cravello, Tia, Hashi Roginio, Mark Mirchandani, Francesc Campoy Flores

Jared Harge projects that vertical AI agents will trigger a $300 billion+ market surge by displacing human labor in specialized enterprise functions, mirroring the historical success of B2B SaaS where general-purpose incumbents cannot master niche domain complexities. While competitors like Mark Mandelbaum note exceptions such as Rippling's horizontal platform strategy, startups are advised to target high-value, repetitive workflows—from automated recruiting to debt collection—rather than competing in obvious consumer applications where incumbents like Google retain dominance. This shift from basic software wrappers to full-stack agents is expected to expand organizational leadership span and create unicorns ten times larger than previous software predecessors by integrating complex domain knowledge directly into autonomous decision-making tools.

Stablecoins 2.0

Stablecoin payment volumes have surpassed PayPal and now account for 20% of MasterCard's volume, with Stripe's $1 billion acquisition of Bridge signaling strong investor confidence. Following a potential shift toward a crypto-friendly US administration, market stakeholders anticipate imminent legislation to replace the current regulatory uncertainty. This convergence of explosive market adoption and favorable policy creates a prime environment for new ventures, particularly those focusing on corporate holding services and developer tools.

How To Build The Future: Sam Altman

Sam Altman, Garry Tan

Sam Altman characterizes the current era as the optimal time for launching technology companies, projecting that Artificial Superintelligence could emerge within a decade if deep learning progress continues to compound. He outlines a five-level roadmap where AI evolves from basic chatbots to autonomous organizational managers, emphasizing that energy abundance and rapid iteration are the critical inputs for unlocking material prosperity. While acknowledging past strategic pivots and leadership turbulence at OpenAI, Altman maintains that speed and conviction allow startups to outmaneuver established corporations in achieving AGI.

The 10 Trillion Parameter AI Model With 300 IQ

Leslie Kendrick, Mark Mandelmann, Jared, Harj, Paul Lewis O'

OpenAI recently secured a historic $6.6 billion funding round to accelerate the development of 10 trillion parameter models that promise to match human genius-level intelligence in scientific discovery and software engineering. While the O1 model achieves near-perfect accuracy for knowledge worker tasks, market dynamics are shifting as competitors like Claude and Llama gain significant developer share and startups rapidly adopt agentic coding tools like Cursor. This capital-intensive scaling strategy aims to overcome current latency and cost barriers, potentially transforming enterprise operations by replacing legacy systems with autonomous AI workflows.

You Don’t Have To Be A Billionaire To Launch Satellites

John Gedmark, Ryan MckLinko, Jason Carman

Eight years after transforming from a two-person apartment startup into a multi-billion dollar entity, Astronis became the first Y Combinator-backed company to successfully launch a commercial satellite into space. The firm, founded by John and Ryan, disrupted the $122 billion geostationary orbit market by securing a dedicated Falcon 9 launch for four low-cost satellites while internalizing critical manufacturing and testing processes at their Pier 70 facility. This historic achievement validates a strategy where scrappy engineering and a working prototype overcame traditional funding barriers, proving that regular domain experts can build successful hard tech aerospace companies without billionaire backing.

Now Anyone Can Code: How AI Agents Can Build Your Whole App

Amjad Masad, Jared Harge, Diana, Mark Mandelmann, Zahid Ali Jeelani, Francesc Campoy Flores, Franc Espinosa, Mark Manderson, Mark Mandelbacher, Mark Mandalbach, Amjad Ali Khani

Replit has unveiled the Replit Agent, a multi-system that builds full-stack web applications from natural language prompts using a specialized orchestration of Claude Sonnet 3.5 and GPT-4.0 models. This early-access beta enables rapid development of complex projects like mood tracking dashboards while co-founder Amjad Ali frames the technology as a step toward AGI that necessitates a symbiotic human-AI workflow. Future iterations aim to expand stack agnosticism and visual interaction modes while maintaining the tool within Replit Core subscriptions to manage significant computational costs.