AssemblyAI - Speech to Text API Pricing Overview

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Flexible, production-ready access with high default concurrency and automatic scaling.

AssemblyAI's pricing removes barriers to getting started—begin building for free with no upfront commitments and simply pay for what you use. Our pay-as-you-go model provides immediate access to production-ready infrastructure with automatic scaling that adapts to your workload. Whether processing a few hours or millions of conversations monthly, you benefit from unlimited concurrency and customizable rate limits, plus dedicated support with sub-hour response times.

AssemblyAI - Speech to Text API has 2 pricing editions. A free trial of AssemblyAI - Speech to Text API is also available. Look at different pricing editions below and see what edition and features meet your budget and needs.

Pricing information for AssemblyAI - Speech to Text API is supplied by the software provider or retrieved from publicly accessible pricing materials. Final cost negotiations to purchase AssemblyAI - Speech to Text API must be conducted with the seller.

Checkout our full pricing list here: https://www.assemblyai.com/pricing

Pricing information was last updated on July 22, 2025

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AssemblyAI - Speech to Text API Pricing Reviews

(2)

Giorgio S.

CEO

Small-Business (50 or fewer emp.)

4/10/2025

"Best-in-Class Speech-to-Text Solution"

5/5

What do you like best about AssemblyAI - Speech to Text API?

The exceptional accuracy, even with challenging audio and technical terminology, combined with their developer-friendly API that integrates seamlessly. Advanced features like speaker diarization and content moderation provide tremendous value beyond basic transcription. Review collected by and hosted on G2.com.

What do you dislike about AssemblyAI - Speech to Text API?

Integration with complex database systems like VertexDB can be challenging and requires additional development effort. The response latency can sometimes be longer than expected, especially when processing large audio files, which can impact real-time applications that require immediate transcription results. Review collected by and hosted on G2.com.

What problems is AssemblyAI - Speech to Text API solving and how is that benefiting you?

AssemblyAI is solving our critical need for accurate and scalable speech-to-text capabilities in our clone platform. By implementing their API, we've eliminated the resource-intensive task of developing our own transcription engine while gaining enterprise-grade accuracy. This has significantly accelerated our development timeline and allowed us to focus on our core platform features while providing users with reliable transcription services for audio content analysis and searchability.RetryClaude can make mistakes. Please double-check responses. Review collected by and hosted on G2.com.

sai c.

11/8/2025

"Solid Speech-to-Text API but Needs Speed Improvements"

3/5

What do you like best about AssemblyAI - Speech to Text API?

I find AssemblyAI - Speech to Text API to be highly effective for transcription tasks. Its functionality allows me to seamlessly convert speech into text, particularly highlighting the straightforward nature of this task, which the service handles adeptly. I also appreciate its real-time streaming capabilities, which enhance the efficiency and practicality of the tool for immediate transcription needs. The initial setup of AssemblyAI - Speech to Text API is easy, making it accessible and convenient to integrate into my workflow without any complications. Review collected by and hosted on G2.com.

What do you dislike about AssemblyAI - Speech to Text API?

I experience issues with the speed of AssemblyAI - Speech to Text API, which seems heavy and potentially slows down processes. Review collected by and hosted on G2.com.

Response from Lee Vaughn of AssemblyAI - Speech to Text API

edit

Hi Sai!

Thank you for sharing your feedback with us. Sorry you've had some issues. Depending on what issues you are seeing, there could be ways to improve results. Please reach out to our support team at support@assemblyai.com with more details on the issue you are seeing, and we would be happy to help!