HomeAI NewsAI VideoHow OpenAI Builds for 800 Million Weekly Users: Model Specialization and Fine-TuningAi videoHow OpenAI Builds for 800 Million Weekly Users: Model Specialization and Fine-TuningNov 28, 2025 at 4:21 PM3 min read00 Share Save#AI ecosystem#AI Platform#AI Startups#Fine-Tuning#Large Language Models#Machine Learning#OpenAI model specialization