Index-Translate Bilibili's open-source multilingual translation model family built on Qwen3.5, covering 150 languages for text with instruction following, plus derivative models for speech-to-speech dubbing (Index-Echo), syllable-controlled translation (Index-Homura), and long-document translation (Index-NativeLong). Weights available in 2B, 9B, and 35B-A3B preview on Hugging Face and ModelScope.
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