SITUATION EXPLAINED: Every OpenAI Dev Day launch since 2023. • Nov 2023: GPT-4 Turbo, 128k context at $10/$30 per million • JSON mode, parallel function calling, reproducible outputs • GPT-4 with Vision, DALL-E and text-to-speech APIs, Whisper • Assistants API with code interpreter, their first computer use • GPTs and the GPT store. People called it the App Store for ChatGPT. Nothing came of it • Oct 2024: real-time API, vision fine-tuning, prompt caching, model distillation • Oct 2025: apps…