Perplexity CEO says thriving in AI competition means embracing constant fear of rivals copying your idea—and sacrificing work-life balance to move faster.

What happened: Aravind Srinivas, cofounder and CEO of Perplexity (an AI-powered search startup last valued at $20 billion（約3.2兆円）), told Y Combinator's AI Startup School that successful founders must assume larger companies will copy their ideas if the business scales to hundreds of millions or billions of dollars. He emphasized that speed and building a distinct identity—not secrecy—are what keep users loyal.

Why it matters: As AI tools make it faster and cheaper to build businesses, competition in the space is intensifying. Srinivas's candid framing suggests that for startups to survive against both tech giants (Google, Microsoft) and well-funded rivals (OpenAI, Anthropic), founders need to accept that copying is inevitable and focus energy on execution rather than being paralyzed by the threat.

What to watch: Srinivas himself admits he works constantly, sacrificing work-life balance and spending most non-gym, non-family time on work and social media. He believes persistence and embracing that daily urgency—rather than trying to hide or protect ideas—are the only sustainable competitive edge in the current AI era.