Karpathy's Autoresearch Agent Loop Runs 700 Experiments Unattended in 48 Hours

Former OpenAI co-founder Andrej Karpathy open-sourced 'autoresearch,' a framework that lets an AI agent autonomously modify code, train a small LLM, evaluate results, and iterate -- completing 700 experiments in 48 hours. The system discovered 20 optimizations yielding an 11% efficiency gain. Shopify CEO reported a 19% performance gain overnight on internal data.