# He Spent His Life Savings on AI API Calls Watch Parth Patil joins Village Global to talk about building Reid Hoffman's AI digital twin, funding early GPT-4 experiments, and working at the frontier of applied AI. Highlights 0:00 Teaser 0:45 What Reid Hoffman's AI work actually looks like 1:24 How Reid AI went from custom GPT to real-time digital twin 3:00 Data scientist at Clubhouse to going all-in on language models 4:30 The GPT-4 moment that ended his analytics career 5:19 Cashing out his 401k and spending four months on API calls 7:33 Why data analysts make better vibe coders than engineers 12:25 AutoGPT, BabyAGI, and the first agent wave 15:52 GitHub Copilot, Open Interpreter, and the road to Claude Code 17:56 Why he stopped using Cursor 21:07 Claude Code vs. Codex vs. Gemini 24:30 The UI is melting 26:09 TMUX, terminal multiplexing, and agents multiplexing themselves 29:05 How to coordinate a fleet of coding agents 32:27 What a 14-hour AI workday looks like 41:48 Escaping death loops and keeping context clean 46:34 Context engineering vs. prompt engineering 50:56 How to make a team AI-native 54:19 What's coming in coding agents over the next year 57:26 Five years out: should Workday and Salesforce be worried? 1:02:32 Non-consensus take: AI is a power-user technology 1:04:28 Who Parth wants to meet Transcript Read the diarized transcript: transcript