SubAgent launches as an open-source, fully local subtitle localization pipeline
sai_teja_ · reddit · 2026-07-21
- The author introduced **SubAgent**, an open-source subtitle localization system that runs entirely on user-controlled infrastructure. - It can import **SRT** or **RTF** files, split subtitles into cues, generate multiple translation candidates, support human review and editing, sync cues with video playback, and export finished subtitles. - The current release supports **5 languages**. - Translation runs locally through **vLLM**, with **GoVarnam** handling Romanized-to-native-script transliteration. - The system rejects public inference endpoints, so subtitle text cannot be accidentally sent to a hosted model. - The project is the first open-source release from **Hyper Latent**, which describes itself as an AI research and product company focused on reliable, privacy-first systems.
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