AI BriefingBiliBili Index LLM Team Releases Index-Translate for 150 Languages with Document and Video Support
Key point
The open-source suite includes 2B, 9B, and 35B-A3B models under the Apache-2.0 license, alongside specialized tools for dubbing and subtitles.
Details
The BiliBili Index LLM team has released Index-Translate, a multilingual translation model supporting 150 text languages. The suite is available in 2B, 9B, and 35B-A3B (preview) parameter sizes, with code and weights released under the Apache-2.0 license.
Core Capabilities
Index-Translate allows users to specify terminology, writing style, and output format. This includes maintaining consistency for product names, adjusting tone (e.g., casual vs. formal), and preserving structural elements like JSON and placeholders during localization.
Specialized Companion Models
The release includes three specialized models for specific workflows:
- Index-NativeLong: Designed for translating entire documents by leveraging context to maintain name and terminology consistency across passages.
- Index-Homura: Enables setting a syllable budget for translated lines, which is useful for fitting dubbing scripts to specific timing constraints.
- Index-Echo: Generates multilingual subtitles or translates speech-to-speech, using the source speaker's voice as a reference. Note that Echo supports a smaller set of language pairs compared to the text models.
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