Y Combinator

An investigation tracked three young founders' sleep schedules for four days, revealing contrasting work habits between 'biohackers' and 'hustlers'. Lance Yan of Traverse reported struggling to find a balance, often getting only 5 to 6 hours of sleep. Conversely, Kavitta Ghai maintains a rigorous schedule, taking measures like wearing masks and ensuring she gets seven hours by aligning her workday around peak cognitive function.

OpenAI CEO Sam Altman stated that four years of college may be excessive given how the world has evolved, noting that two years at Stanford was sufficient for him. Speaking to investor Cory Levy, he advised young people that success can often be achieved by doing things rather than focusing too much effort on trying to get taken seriously. He also encouraged working on multiple projects when starting out.

Airbnb CEO Brian Chesky stated that winning in the age of AI requires companies to embrace a 'founder mode' mentality rather than a 'manager mode.' He noted that AI is accelerating Airbnb’s development, writing 60% of new code and helping reduce time from concept to launch by up to 60%. The company plans to invest more in AI tokens for initiatives across search, sign-up, checkout, and payments.

Y Combinator cofounder Paul Graham advises founders that balancing work and family is a problem worth solving because one cannot get those years back. He noted that managing this challenge is a common question from founders of established YC companies. Graham also discussed how parenthood may affect ambition, questioning whether it must diminish drive.

Founders in their 40s argue that age provides advantages—such as discernment and persistence—that newer, AI-native founders do not possess. Amir Elaguizy stated that for him, AI is a continuum that he has watched develop over decades, viewing his age as an asset to investors. This trend of older entrepreneurs launching new AI startups was highlighted by Y Combinator CEO Garry Tan, who termed the movement the "age of the unc."

Y Combinator applications have grown 60% in length over three years and show stylistic trends including more em dashes and increased use of words like "wedge." These shifts are suspected to be influenced by AI-generated writing. Views on using AI for submissions conflict among leaders, with YC CEO Garry Tan admitting its use while former cofounder Paul Graham criticized founder communications that he wrote by AI.

Jack Ma's private equity firm Yunfeng Capital led a $30 million investment in Corgi, a San Francisco AI insurance startup, valuing it at $4 billion. This marks Yunfeng's first known U.S. deal, as the firm typically focuses on Chinese investments.

DoorDash CEO Tony Xu advised entrepreneurs to avoid setting low revenue goals, recalling his initial $100 million projection for the company, which is now valued at $87 billion. DoorDash's first-quarter revenue reached $4 billion, and total orders grew 27% to 933 million. Xu and other founders, like Chess.com's Danny Rensch, emphasize the importance of ambitious, unconventional thinking in building successful ventures.

Patrick Collison, CEO of Stripe, advises Gen Z against feeling pressured to drop out of college, stating his own urgency to leave MIT twice was unnecessary. He highlights that Silicon Valley consistently offers opportunities and dropping out is reversible if circumstances change.

Roame, a company associated with Y Combinator's S23 batch, is hiring a Lead Full-Stack Engineer. The job posting is listed on Y Combinator's website with a link to Hacker News comments.

Sam Altman built a $3.3 billion net worth through investments in companies like Helion, Reddit, and Stripe, guided by advice from Peter Thiel and Paul Graham, despite owning no equity in OpenAI. His strategy focused on non-popular, early-stage opportunities.

Sam Altman credited Paul Graham and Peter Thiel with teaching him that the best investment opportunities are often unpopular. He emphasized the importance of avoiding trends and focusing on overlooked companies for transformative returns. Altman compared startup investing to flight instruction, highlighting hands-on guidance over rigid advice.

The article discusses four distinct time scales that influence the development and deployment of technology. It emphasizes understanding these scales to better predict and manage technological advancements.

Morph, a startup in Y Combinator's S23 batch, is hiring for a Member of Technical Staff position. The job posting is listed on Y Combinator's company page with no comments or points yet.

Kontigo, a company in Y Combinator's S24 batch, is hiring a founding engineer. The job posting is listed on Y Combinator's website with no points or comments as of the latest update.

LemonLime, a Y Combinator-backed AI startup, faced backlash after its CEO offered instant interviews to attendees of a party who got LemonLime-branded tattoos. The CEO later apologized, clarifying that interviews were open to all but acknowledged the tattoo requirement was 'reckless.' Some critics argued the move exploited a competitive job market, while others defended it as a personal choice.

Loops, a Y Combinator (YC W22) company, is hiring for a Product Educator role focused on technical content creation. The job posting includes links to the company's job page and Hacker News comments.

AI companies are destroying rare and non-recoverable physical books, as reported by The Herald Scotland. The article has sparked discussion on Hacker News, where it has 36 points and 30 comments.

Jordan Zietz, co-founder of AI startup LemonLime, faced backlash for a hiring gimmick requiring job seekers to tattoo the company's logo for an instant interview. The stunt, intended to attract talent, instead led to public humiliation and forced Zietz to apologize.

LemonLime, a Y Combinator-backed AI startup, offered job interviews to individuals who received its logo tattoo at an event. Cofounder Jordan Zietz apologized for the stunt, acknowledging it involved 'poorly exercised judgment' and caused significant backlash. The incident included unauthorized use of a participant's photo and drew criticism from Silicon Valley figures and online communities.

A San Francisco tech CEO apologized after offering job interviews to anyone who got a tattoo of his company's logo at a recent Y Combinator event. Jordan Zietz, CEO of LemonLine, made the offer during an afterparty for the startup accelerator.

Corgi Funds, an unconventional asset manager backed by a parent company operating cafes and a bus service to Y Combinator, is challenging BlackRock’s ETF dominance with a 500-fund expansion. The firm emerged from an artificial-intelligence insurance startup.

Mitch Duncombe, a former Y Combinator lawyer, founded Vector Legal to provide affordable legal services for startups using AI and self-service software. The company raised $5.19 million in seed funding led by Base 10 Partners and includes former Atrium founder Chris Smoak as an angel investor. Vector Legal combines in-house attorneys with tools for founders to handle legal tasks independently.

Alexandr Wang, former Scale AI founder and current Meta leader, argues AI enables startups to compete with established giants by reducing resource barriers. He and others like Sam Altman and Vinod Khosla suggest AI agents and tools now allow small companies to outperform larger incumbents in tasks like coding and customer support.

Steve Krug, author of 'Don't Make Me Think,' criticizes social media as the worst development of the past 40 years, arguing its frictionless design has led to harmful user behaviors. He supports efforts to reintroduce friction in technology to counter issues like addiction and declining literacy, despite his original philosophy influencing modern web usability.

Nvidia CEO Jensen Huang argues AI automates tasks but creates new jobs, challenging predictions of a white-collar job apocalypse. He contrasts his view with AI leaders like Dario Amodei and Sam Altman, who initially forecasted significant job losses but later revised their stance. Goldman Sachs and other experts estimate AI could displace millions of jobs, though Huang emphasizes that job purposes persist despite task automation.

Weave, a Y Combinator startup, raised $13.5 million to develop a platform that tracks AI and human engineering outputs, aiming to prevent 'tokenmaxxing'—the practice of prioritizing high-volume AI use over quality. The funding was led by Standard Capital with participation from Y Combinator and Moonfire.

Sam Altman warns that the Hugging Face hack highlights risks of AI power monopolies, advocating for broader AI democratization to prevent long-term disasters. He emphasizes that concentrating AI capabilities in a few entities could lead to catastrophic control losses and calls for spreading AI development to enhance safety and prevent authoritarianism.

Boris Cherny, creator of Anthropic's Claude Code, advises users to avoid micromanaging AI by providing overly specific instructions. Instead, he recommends focusing on outcomes and allowing modern models to determine the execution path. Andrew Ng of Google Brain previously advocated a similar approach, termed 'lazy prompting,' as models evolve to handle higher-level tasks independently.

Y Combinator hosted its 2026 Startup School at the Chase Center, a sports arena in San Francisco, with over 6,000 attendees. The event featured talks by AI leaders like Sam Altman and Jensen Huang, free product offerings, AI-simulated YC partners, and comparisons to a 'megachurch' due to its energetic atmosphere and scale.

Fonts In Use is a website that helps users identify where a specific font is used. The article provides the site's URL and a Hacker News comments link, with no user comments listed.

The article from OrchidFiles explores the role and responsibilities of GitHub's security team. It includes Hacker News comments with 46 points and 9 discussions.

The article discusses clinical trial failure rates over decades, highlighting concerns about their increasing trends. It references data from a Science.org blog post and includes Hacker News comments with 15 points and 9 discussions.

Kyber, a company associated with Y Combinator's Winter 2023 cohort, is hiring a Head of Engineering. The job posting is listed on Y Combinator's company page with no comments or points yet.

Scape, a Stockholm-based email startup, raised $3.2 million to develop an AI-powered app challenging Gmail. The app uses AI agents to manage email tasks, backed by Y Combinator and other investors, aiming to transform email with automation.

Almost 200 Silicon Valley companies, including Proton and Y Combinator, urge the Trump administration not to restrict access to Chinese open-weight AI models, warning it could harm U.S. startups. The Little Tech Association argues for targeted safeguards instead of broad prohibitions, citing risks to innovation and competition.

A typing speed test tailored for developers is available at haxxorwpm.0s.is. The article links to Hacker News comments and shows 7 points with 4 discussions.

The article titled 'Heresy' is authored by Paul Graham and is available on his website. It has 16 points and 6 comments on Hacker News.

The article argues against the common assertion that AI is merely a tool whose impact depends solely on how it is used. It challenges the simplicity of this viewpoint, suggesting that AI's nature and design have intrinsic consequences beyond user intent.

The article presents an interactive map of AI, providing a visual resource for exploring artificial intelligence topics. It includes links to the main article and comments section on Hacker News, with 12 points and 6 comments.