The Top Rated API for Speech-to-Text

High accuracy, easy to setup, and trusted by thousands of developers and companies.

Trusted by 1000s of developers at top companies

AssemblyAI recognized as a Spring 2020 High Performer by G2

Top-Rated Accuracy

We're a Y-Combinator funded team of Deep Learning Researchers, working towards achieving human-level accuracy with machine transcription.

Privacy Focused

We are not in the business of monetizing your data, and never store data you send to the API.

Packed with Features

Dual channel support, punctuation, proper noun formatting, PII redaction, etc. See a full list of features here.

Customizable to Your Needs

Boost accuracy for keywords and phrases, like product names, person names, or other key terms.

Integrate in Minutes

Get started in minutes with our simple REST API using any language: Python, Node, Ruby, PHP, C#, etc.

24x7 Customer Support

All customers get a dedicated Slack Channel with our engineers for 24x7 technical support and feedback.

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Comes with all the core features you need

99.9%+ uptime, dual channel audio support, custom vocabularies, all audio/video file formats supported, and more.


We're funded by the top investors in Silicon Valley including Y Combinator and TechNexus Venture Collaborative.

Latest from the Blog: Building an end-to-end speech recognition model in PyTorch >

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