👋 Hi, this is Gergely with a subscriber-only issue of the Pragmatic Engineer Newsletter. In every issue, I cover challenges at Big Tech and startups through the lens of engineering managers and senior engineers. OpenAI might be the hottest company in tech right now. The company is behind the popular large language-based model, ChatGPT, and also built the GPT-3, GPT-3.5 and GPT-4 models which seve