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Simple billing for companies of all sizes - from startups to Fortune 500s. Always know what you'll pay with our Pay-as-you-Go pricing.

Core Transcription

$0.00025per second

Automatically convert audio/video files, and live audio streams, into accurate transcriptions with a simple API. Powered by cutting edge research into Automatic Speech Recognition.

Asynchronous transcription

Real-time streaming transcription

Process multiple files/streams in parallel

State-of-the-Art accuracy

Billed per second transcribed

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Audio Intelligence

$0.000583per second
*in addition to core transcription pricing

Leverage cutting edge AI research to build powerful applications and features with higher ROI. Audio Intelligence features analyze the speech in your audio data to provide you with unparalleled insights about your data.


Sentiment Analysis

Entity Detection

PII Redaction

Content Moderation

Get an API token

Can I sign up for free? Yes! You can use the API for free on a limited trial. Simply add a credit card to your account at any time to upgrade from the trial.

Do you offer volume discounts? Absolutely! If you plan to send large volumes of audio/video content through our API, please reach out to to see if you qualify for a volume discount.

How fast does it take for audio/video files to process? Files take around 25% of their duration to process. For example, a 20 minute audio/video file would take 5 minutes to process.

How does billing work? Great question. Once you add a credit card and deposit funds into your account, your account's funds will be drained as you use the API.

How can I talk to someone? Feel free to email us at, or click the chat button in the bottom right corner of your browser to chat live with our API Support team!

What languages do you support? We support over 15 languages and counting, including Global English (English and all of its accents). View a full list here.

Estimate your spend
Only pay for what you transcribe.

How much do you expect to transcribe?

500 hours

Your estimated monthly spend



Based on your usage, we expect you'll spend this much per month with the AssemblyAI API.

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