In the era of explosive growth of AI models, what truly blocks developers and high-frequency users is never the lack of model strength, but the cost of usage in the final mile. Over the past two years, model iterations have been rapid: inference with ChatGPT5.2, long texts with Claude4.5, multimodal with Gemini3. But the reality is quite sobering— the stronger the model, the higher the usage barrier. The three major industry pain points that almost everyone is experiencing are: 1️⃣