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Unlock the potential of AI-driven speech recognition and analysis with AssemblyAI's easy-to-use API. Perfect for startups, enterprises, and developers

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About AssemblyAI

AssemblyAI: Transforming Speech Recognition and Analysis

AssemblyAI offers a powerful, easy-to-use API that exposes AI models for speech recognition, speaker detection, speech summarization, and more. Built on the latest state-of-the-art AI research, AssemblyAI is the go-to solution for startups, enterprises, and developers seeking production-ready, scalable, and secure AI models.

Built for Developers

Experience comprehensive support with AssemblyAI's extensive resources:

  • Documentation: Detailed product overviews and walkthroughs.
  • Video Tutorials: Learn quickly with visual guides.
  • Industry Updates: Stay informed with the latest advancements.
  • Changelog: Track version updates, new features, bug fixes, and improvements.

AI Models: Transcribe and Analyze Audio

Discover AssemblyAI's production-ready models for your speech recognition and analysis needs:

Core Transcription Models

  • Conformer-1: Trained on 650K hours of audio data, delivering near-human-level performance.
  • Async Transcription: Transcribe pre-recorded audio and video files quickly and accurately.
  • Real-Time Transcription: Stream live audio data and receive transcripts within milliseconds.
  • Custom Vocabulary: Enhance accuracy for unique or industry-specific terms.
  • Speaker Labels: Automatically detect speakers and associate words with them.
  • International Language Support: Access transcription support for over 12 languages.

Audio Intelligence Models

  • Summarization: Utilize AI-powered models to summarize audio and video data.
  • Sentiment Analysis: Detect the sentiment of spoken sentences in your audio files.
  • Entity Detection: Identify entities like names, email addresses, dates, and locations.
  • Content Moderation: Monitor and filter sensitive content, such as hate speech or violence.

Trusted by 6,000+ Businesses

AssemblyAI is the preferred choice for a wide range of organizations:

  • Startups: Cost-efficient speech-to-text solutions for startups of all sizes.
  • Enterprises: Scalable processing for millions of audio files daily, serving Fortune 500 companies.
  • Developers: In-depth tutorials, documentation, and changelog for developer support.

Applications of AssemblyAI

Explore the versatility of AssemblyAI across various industries and use cases:

Telephony Solutions

  • Call Transcription: Unlock valuable data from call recordings for tracking, analytics, and contact centers.

Video Transcription

  • Captioning & Moderation: Enhance video content with captions, categorization, and moderation.

Virtual Meetings

  • Transcription & Analysis: Document key insights and action items from virtual meetings with transcription and entity detection features.


  • Target & Analyze Content: Process and analyze media content from TV, podcasts, and radio.

Experience the power and efficiency of AssemblyAI's speech recognition and analysis API. Revolutionize your business and unlock new opportunities with AI-driven insights.

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