You know that feeling when you're three weeks into a project and you realize you picked the wrong LLM? Yeah, let's talk about how to avoid that disaster. The Claude vs GPT debate isn't really about which one is "better"—it's about which one solves your specific problems without burning through your budget or hitting rate limits at 2 AM. I've shipped projects with both, and here's what actually matters when you're building for production. The Context Window Game Changed Everything Cl...