Altman's Startup School 2026 advice: build now, cheap agents enable trillion-dollar outcomes

Sam Altman's Startup School 2026 talk flips the script: collapsing build costs aren't a death sentence but a launchpad for more ambitious companies. The shift from 5% to 25% hard tech at YC and the 10x inference growth signal a massive opportunity. Altman advises founders to convert cheap agents into trillion-dollar outcomes, with concrete moves like building on inference cost declines. First-hand recap highlights compute demand growth from 100K tokens in 2019 to 100B for heaviest internal user in 2026. Jensen Huang also spoke. Survivor bias critique noted.