Uploaded April 2024 | Updated September 2026, 2 weeks ago

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Start using Universal-1 today: assemblyai.com/?utm_source=youtube&utm_medium=referral&utm_campaign=yt_mis_61

AssemblyAI just launched Universal-1, our most capable and highly trained speech recognition model. Trained on over 12.5 million hours of multilingual audio data, Universal-1 achieves best-in-class speech-to-text accuracy, reduces word error rate and hallucinations, improves timestamp estimation, and helps us continue to raise the bar as the industry-leading Speech AI provider.

Universal-1 is trained on four major languages: English, Spanish, French, and German, and shows extremely strong speech-to-text accuracy in almost all conditions, including heavy background noise, accented speech, natural conversations, and changes in language, while achieving fast turn-around time and improved timestamp accuracy.

Universal-1 is available via our API, and you can start building on it today. We’ll continue to improve our Speech AI models over time, so stay tuned for updates as we add new capabilities and languages to Universal-1.

Learn more about the model: assemblyai.com/research/universal-1/?utm_source=youtube&utm_medium=referral&utm_campaign=yt_mis_61
Start using Universal-1 today: assemblyai.com/?utm_source=youtube&utm_medium=referral&utm_campaign=yt_mis_61

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