@bedast you seem to be pretty aware of the technical details of this particular AI.

Do you have any reading/links on this that allow people to know the technical details?

The best article I can find, had no technical details:
https://www.tomshardware.com/software/vlc-demoes-ai-generated-subtitles-as-it-hits-new-milestone-of-6-billion-downloads

https://www.theverge.com/2025/1/9/24339817/vlc-player-automatic-ai-subtitling-translation

https://www.techradar.com/computing/artificial-intelligence/ai-will-start-subtitling-your-videos-thanks-to-vlc

The video here does mention open source model (which are still LLMs)
https://x.com/videolan/status/1877072497146781946/mediaViewer?currentTweet=1877072497146781946&currentTweetUser=videolan