Speech-to-Text
Experience industry-leading speech-to-text accuracy with Speech AI models on the cutting-edge of AI research, accessible through a simple API.
Universal-2
State-of-the-art multilingual speech-to-text model
Industry’s lowest Word Error Rate (WER)
See how Universal-1 performs against other Automatic Speech Recognition providers.
See it in action
Away. First time. Good start from. From Bolt. Bulk lead in the moment and going away. Gay trying to go with him. And he's going. Being dragged through to second place, but he's going to win it by 2 meters. 9.58. The world record's gone. That's more like it. Sub nine six.
Harness best-in-class accuracy and powerful Speech AI capabilities
Gain support to transcribe over 99+ languages and counting, including Global English (English and all of its accents).
Detect the number of speakers in your audio file, with each word in the text associated with its speaker.t
Automatically detect if the dominant language of the spoken audio is supported by our API and route it to the appropriate model for transcription.
View word-by-word timestamps across the entire transcript text.
Detect and replace profanity in the transcription text with ease.
Automatically add casing and punctuation of proper nouns to the transcription text.
Boost accuracy for vocabulary that is unique or custom to your specific use case or product.
Get a confidence score for each word in the transcript.
AssemblyAI's accuracy is better than any other tools in the market (and we have tried them all).
Turn voice data into unparalleled product experiences
Partner with the leader in Speech AI to build powerful products with breakthrough industry impact.
