The article summarizes OpenAI's efforts to advance towards AI ecosystemization and commercialization through products like GPT-4 Turbo, GPT Store, and GPTs, thereby establishing a closed-loop GPT ecosystem. Analysis suggests that this poses a significant impact on AI startups, recommending that these companies should leverage foundational infrastructure like GPT to focus on innovative applications. Data shows that the GPT series currently maintains the highest traffic among all AI applications, with its ecosystemic influence continuing to grow.