AI Services

Line 21 uses over 12 different AI models in the live captioning process. These are powering 6 different services:

Service
Status
Description
Speech Recognition (ASR)ActiveAI speech-to-text models that transcribe the audio to text in real-time.
AI TranslationsActiveAI models that translate the text to different languages.
AI ContextActiveAI models that generate context for the AI Proofreader and ASR Engines.
AI ProofreaderActiveAI models that proofread the text and make corrections.
AI Call AgentActiveAI bot that joins a video call and transcribes the audio in real-time.
AI Live DubbingComing soonAI models that generate synthetic voices.
Last updated: January 13, 2026 at 09:22 AM