AI Tools / AssemblyAI

Coding, Dev & APIsLast updated: June 22, 2026

AssemblyAI

AssemblyAI is a speech-to-text API platform that converts audio and video into accurate text transcriptions using advanced AI models.

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#speech-to-text #api #transcription #audio-processing #developer-tools

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Beginner friendly

Not supported

Korean support

Not verified

Korean input and output support has not been verified yet.

Mobile support

Supported

Offers a mobile app or mobile-friendly web experience for working on the go.

Commercial use

Supported

AssemblyAI is fully suitable for commercial applications. The API supports production-grade usage, and licensing terms allow integration into commercial products. Review the terms of service for enterprise or special use cases.

Sources & verification

Use these primary sources to confirm current pricing, terms, and product details.

Official product website

assemblyai.com

Information date: June 22, 2026AI-curatedHow verification works

Quick decision guide

Best for

Software developers and engineering teams building speech-enabled applications
Media and content companies that need reliable bulk transcription at scale

Not ideal for

Beginners without API integration experience or programming knowledge
Users requiring a completely free solution with no per-minute or usage costs

Plans & pricing notes

Free plan

A free tier is available for testing and development, though usage limits apply. Check the official website for current trial credits and quota details.

Paid plans

Paid plans are billed based on transcription minutes, with standard and premium tiers offering different accuracy levels and feature access. Discounts may be available for high-volume or annual commitments; consult their pricing page for current rates.

Review summary

What AssemblyAI is best for

AssemblyAI provides developers with powerful speech recognition APIs that support multiple languages and offer features like speaker diarization, entity recognition, and custom vocabulary. The platform is designed for scalability and reliability, handling everything from short audio clips to long-form content with high accuracy.

Pros

High accuracy transcription with advanced AI models and continuous improvement
Developer-friendly with comprehensive documentation, SDKs, and straightforward REST API

Cons

Not free tier pricing can be a barrier for small projects or hobbyists starting out
Limited real-time transcription capabilities compared to some competing solutions

Key Features

Automatic speech recognition (ASR) with support for 99+ languages

Speaker diarization to identify and separate different speakers

Entity recognition, custom vocabulary, and content filtering options

Best use cases

Automatically generating transcripts for podcasts, webinars, and recorded meetings

Building voice search or voice command features into mobile and web applications

Creating searchable archives of video content with accurate captions and transcripts

Frequently asked questions

What is AssemblyAI best for?

AssemblyAI is worth considering for Coding, Dev & APIs workflows where you want faster drafts, automation, or clearer tool comparison.

Can I use AssemblyAI for free?

Its current pricing type is Freemium. Check the official site for exact free limits, paid plans, and usage restrictions.

What should I check before choosing AssemblyAI?

Compare pricing, language support, mobile availability, commercial-use terms, and output quality before committing.

Discuss AssemblyAI with the community

Ask questions and share hands-on experience, tips, and prompts.

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Affiliate disclosure: we may earn a commission if you visit or purchase through links on this site. Tool details are summarized for decision support and should be verified on the official website before purchase.