Hy4 preview will be retired on 2026-12-07, with remaining calls switched to Hy4
The hy4-preview model will be retired on 2026-12-07 at 00:00 (UTC+8). The replacement is hy4.
If you are using model: "hy4-preview" in your code, please change the model value to hy4 before 2026-12-07. If the migration is not completed before retirement, calls will automatically switch to hy4 and be billed at hy4 rates.
Notice: Hy4 preview retirement