Industry-leading Speech AI models to automatically recognize and understand speech.

AssemblyAI is a Speech AI company focused on building new state-of-the-art AI models that can transcribe and understand human speech. Our customers, such as CallRail, Fireflies, and Spotify, choose AssemblyAI to build incredible new AI-powered experiences and products based on voice data.

AssemblyAI models and frameworks include:
- AI Speech-to-Text
- Audio Intelligence, including Summarization, Sentiment Analysis, Topic Detection, Content Moderation, PII Redaction, and more
- LeMUR, a framework for applying powerful LLMs to transcribed speech, where you can ask sophisticated questions, pull action items and recaps from your transcription, and more

To see AssemblyAI in action, choose your favorite audio or video file and upload it into our no-code playground: https://www.assemblyai.com/playground.

Also, check out our customer stories and blog: https://www.assemblyai.com/blog.