{"ok":true,"service":"qingting-llm-router","routes":["1. zhipu → glm-4.7-flash (speed:2 ctx:200000 img:Y)","2. agnes → agnes-2.5-flash (speed:1 ctx:128000 img:Y)","3. silicon → Qwen/Qwen2.5-7B-Instruct (speed:1 ctx:32000 img:N)","4. doubao → doubao-seed-2-1-lite-260915 (speed:1 ctx:128000 img:Y)"],"tiers":["auto-fast: silicon → doubao → agnes → zhipu","auto-balance: doubao → agnes → zhipu → silicon","auto-max: zhipu → agnes → doubao → silicon"],"usage":"POST /v1/chat/completions, Authorization: Bearer <token>, model=\"auto-fast\"/\"auto-balance\"/\"auto-max\" 或服务商 label"}