Which one do you think matters more? - idea - execution - timing

claude opus 4.5 is finally here, so we tested it against gemini 3 to see which one is the better at vibe coding we took a new startup idea and went from idea to landing page to prototype to ad creative in one sitting. you also see how @boringmarketer uses claude skills to get the most out of claude opus 4.5 (and how you can do the same). if you’re wondering whether opus 4.5 is worth using, this 1hr tutorial will help you decide and learn how to get the most from it.

Everyone’s building something. Nobody’s marketing anything.

startups rn are like "you can just lie about things"

The real moats in 2025: specific workflows, proprietary data with real switching costs, distribution, and UX that makes AI disappear into the job-to-be-done. Simultaneously: we are early (only a % are using AI properly) so this is an amazing time to start a startup.

Reddit subreddits for marketing: r/SEO ➟ 385K+ members r/bigseo ➟ 110K+ members r/linkbuilding ➟ 8K+ members r/seogrowth ➟ 18K+ members r/socialmedia ➟ 2.1M+ members r/entrepreneur ➟ 4.7M+ members r/smallbusiness ➟ 2.1M+ members r/GrowthHacking ➟ 50K+ members r/marketing ➟ 1.8M+ members r/PPC ➟ 210K+ members Which one is your favorite..?

This was my @ycombinator application video from 2011 with @mattjackrob and @hirokitakeuchi We were all in suits because we'd just come back from a meeting with RBS to agree a banking deal that would power @gocardless for the next 10 years.

This weekend, a Medium article called "I Reverse-Engineered 200 AI Startups. 146 Are Selling You Repackaged ChatGPT and Claude with New UI" made it to the front page of Hacker News. The author found that out of 200 AI startups, "73% are running third-party APIs with extra steps." The author also found that at least one company was putting a 1000x markup on model API costs. We discuss at length:

Building a startup is really hard. Finding product market is hard. Figuring our sales is hard. Standing out from competition is hard. Staying in the game is hard. All of it is hard but also rewarding. So I hope you go for it regardless.

As a young founder, I learned a $50 million lesson about the sanctity of a handshake. I’m ashamed to say that I played a morally questionable role in this story. Fortunately, the experience changed my path....