AssemblyAI provides a platform of APIs for high-accuracy speech-to-text transcription, enabling real-time audio processing with features like speaker diarization and language detection. The technology allows businesses to convert audio data into actionable insights, improving accessibility and enhancing data analysis capabilities.
Funding
$158.1M raised to dateRaised to date based on public sources. This may differ from the amount the company actually raised and is based only on what is publicly available on the internet.




DGTVFounders
Product
Problem
Businesses often struggle to efficiently convert large volumes of audio data into actionable insights due to the complexities and inaccuracies associated with traditional speech-to-text technologies. Extracting valuable information from audio files, such as meeting recordings or customer service calls, can be time-consuming and resource-intensive. This challenge hinders organizations from fully leveraging their audio assets for improved decision-making and enhanced operational efficiency.
Solution
AssemblyAI offers a suite of Speech AI APIs that provide high-accuracy, real-time speech-to-text transcription and advanced audio intelligence. The platform enables businesses to automatically convert audio and video files into transcripts with features like speaker diarization, language detection, and sentiment analysis. By leveraging sophisticated audio-intelligence models and LLM capabilities, AssemblyAI empowers users to extract valuable insights from voice data, automate workflows, and improve data analysis. The APIs are designed for ease of integration, allowing developers to quickly incorporate speech-to-text functionality into their applications and workflows.
Target Audience
AssemblyAI's primary customers are developers, data scientists, and product teams building applications that require speech-to-text capabilities, including those in the media, customer service, and enterprise collaboration sectors.
Features
- High-accuracy speech-to-text transcription powered by advanced deep learning models
- Real-time audio processing for live captioning, transcription, and analysis
- Speaker diarization to identify and differentiate between speakers in audio recordings
- Automatic language detection to support transcription in multiple languages
- Sentiment analysis to gauge the emotional tone of spoken content
- Auto Chapters to automatically generate summaries of key topics in long-form audio
- Customizable vocabulary to improve transcription accuracy for industry-specific terms
- Comprehensive documentation and developer tools for easy API integration