B.AI has launched its "Self-Selected Service Provider" feature, enhancing flexibility in large-model API customization. This feature introduces two modes: "BAI Official Mode" for stable, high-concurrency API connections, and "Self-Selected Service Provider Mode" for testing and cost-sensitive scenarios with discounts up to 20% off. Additionally, users can benefit from a 1:1 top-up bonus, further reducing costs and boosting efficiency. This development allows users to create customized API keys, facilitating precise cost control and accelerating AI innovation.