Universal-1: A multilingual Speech AI model with superhuman accuracy

Turn voice data into

with our leading Speech AI models

Built by AI experts, AssemblyAI’s Speech AI models include accurate speech-to-text for voice data (such as calls, virtual meetings, and podcasts), speaker detection, sentiment analysis, chapter detection, PII redaction, and more.

Introducing Universal-1

Our most powerful and accurate Speech AI model yet, trained on 12.5M hours of multilingual audio data
Learn more about Universal-1
Our customers

Leading companies choose AssemblyAI to build innovative new AI products with voice data

“With AssemblyAI, we not only get quality call summaries and sentiment analysis, but also a trusted partner that supports us in enhancing the value we deliver to our customers.”

Ryan Johnson, Chief Product Officer, CallRail

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Loop Media Partners With AssemblyAI To Launch Its AI-Powered Brand Safety Solution

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Why AssemblyAI

Launch cutting-edge products with fully featured Speech AI models

Easy to integrate

Developers get immediate access to our API, and our documentation is crafted with detailed code examples and explanations, making it easy to quickly integrate Speech AI into their applications.

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Pricing that scales

Choose the AI models for your use case and only pay for what you use. We work with you to ensure pricing scales as you grow.

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Always up-to-date

Stay on top of the latest AI breakthroughs. Our Speech AI team of researchers and engineers is constantly improving and updating our AI models so you always have access to state-of-the-art AI technology.

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24/7 customer support

Leverage our team of AI experts who can help build with you and accelerate your product roadmap.

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Get started in seconds

import assemblyai as aai
import json

transcriber = aai.Transcriber()
transcript = transcriber.transcribe(URL, config)

print(json.dumps(transcript, indent=2))