### Checklist - [X] 1. If the issue you raised is not a feature but a question, please raise a discussion at https://github.com/sgl-project/sglang/discussions/new/choose Otherwise, it will be closed. - [X] 2. Please use English, otherwise it will be closed. ### Motivation https://huggingface.co/fixie-ai/ultravox-v0_4 ### Related resources _No response_