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    AssemblyAI

    AssemblyAI

    Tech
    STT
    Diarisation

    AI audio API for transcription, speaker diarization, and audio intelligence.

    Founded 2017San Francisco, California, USLinkedIn
    AssemblyAI banner

    About AssemblyAI

    AssemblyAI: Industry-Leading Speech-to-Text and Audio Intelligence Platform

    AssemblyAI is a developer-first AI platform offering industry-leading speech-to-text, speaker diarization, and advanced audio intelligence capabilities via a simple API. Built for accuracy, scalability, and ease of integration, AssemblyAI empowers developers and enterprises to transform voice data into actionable insights and innovative product experiences.

    Key Features

    • State-of-the-Art Speech-to-Text: Achieve industry-leading transcription accuracy for alphanumerics, proper nouns, and technical language, with up to 30% fewer hallucinations than other providers.

    • Speaker Diarization: Automatically identify and label individual speakers in audio, even in complex multi-participant conversations.

    • Audio Intelligence: Go beyond transcription with features like entity detection, topic extraction, sentiment analysis, summarization, and content moderation.

    • Multilingual Support: Accurately transcribe and analyze speech in multiple languages, with automatic language detection.

    • Automatic Formatting: Outputs are formatted for clarity, including punctuation, capitalization, and correct handling of numbers and proper nouns.

    • Real-Time and Batch Processing: Supports both real-time streaming and asynchronous batch processing for flexible workflows.

    • Developer-Friendly API: Comprehensive documentation, SDKs, and a no-code playground make integration and testing easy for teams of any size.

    • Scalable and Reliable: Handles over 600 million inference calls per month and processes more than 3.5 million audio files daily.

    • Enterprise-Grade Security: Built with security and compliance in mind, suitable for sensitive and large-scale deployments.

    • Continuous Innovation: Weekly feature updates and ongoing research ensure access to the latest advancements in Speech AI.

    Use Cases

    • Automated transcription for meetings, calls, podcasts, and video content

    • Conversation intelligence for sales, support, and compliance teams

    • Voice analytics and sentiment analysis for customer experience optimization

    • Content moderation and safety for user-generated audio

    • Real-time captioning and accessibility solutions

    • Multilingual transcription and translation for global audiences

    Model Selection

    • Standard Speech-to-Text: High-accuracy transcription for general and specialized audio.

    • Audio Intelligence Models: Entity detection, summarization, sentiment analysis, and more.

    • Customizable Workflows: Combine features and tailor outputs to specific business needs.

    Getting Started

    AssemblyAI powers the next generation of voice-enabled products and services, delivering unmatched accuracy, advanced audio intelligence, and developer-friendly tools to turn voice data into business value.