Universal-1 is a highly advanced speech recognition model developed by AssemblyAI. It has been trained on an extensive dataset of over 12.5 million hours of multilingual audio data, making it the most powerful model in its class. The model boasts best-in-class accuracy for speech-to-text conversion across four major languages: English, Spanish, French, and German. This cutting-edge technology is set to revolutionize industries that rely heavily on accurate speech recognition capabilities.