#1 Most Accurate Speech-to-Text API

Don't just take our word for it, see why thousands of developers use AssemblyAI to power mission-critical products and features.

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Trusted by top companies and developers

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Over 99.9% uptime

Thousands of developers and startups trust AssemblyAI to power core features in production, processing hundreds of millions of minutes per month with over 99.9% uptime and transcript completion rate.

The latest advances in Speech Recognition

Our dedicated team of Deep Learning Researchers and engineers have spent years building the most accurate Speech-to-Text algorithms available.

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Ready to start building?

Try the API now, or contact us for a custom accuracy report on your data.

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.

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Read reviews from current customers

Don't just take our word for it. See what current AssemblyAI customers have to say about the API.

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Start building today

Try the API now, or contact us for a custom accuracy report on your data.