Scott Alexander analyzes the astronomical costs and resources needed for future AI models, sparked by Sam Altman's reported $7 trillion fundraising goal. Longer summary

Scott Alexander discusses Sam Altman's reported plan to raise $7 trillion for AI development. He breaks down the potential costs of future GPT models, explaining how each generation requires exponentially more computing power, energy, and training data. The post explores the challenges of scaling AI, including the need for vast amounts of computing power, energy infrastructure, and training data that may not exist yet. Scott also considers the implications for AI safety and OpenAI's stance on responsible AI development. Shorter summary

Scott Alexander examines recent developments in model cities, including political threats to ZEDEs in Honduras, El Salvador's Bitcoin city plan, and the mysterious Praxis project. Longer summary

This blog post discusses recent developments in model cities and charter cities. It covers the political situation in Honduras affecting ZEDEs, El Salvador's plan for a Bitcoin-themed city, the mysterious Praxis project, and other model city news. The post critically examines each project, analyzing their feasibility, potential impact, and the motivations behind them. Scott Alexander provides context, expresses skepticism where appropriate, and offers insights into the challenges and opportunities these projects face. Shorter summary