AssemblyAI

A developer-friendly AI API platform for quickly transcribing and analyzing audio data, featuring state-of-the-art speech recognition, sentiment analysis, and summarization models.

AI APISpeech-to-TextAudio IntelligenceTranscriptionDeveloper ToolSentiment AnalysisAI Speech-to-Text APITranscription ServiceDeveloper PlatformEntity Detection
Pricing · Freemium

AssemblyAI Introduction

AssemblyAI is a leading speech AI platform that provides developers with an easy-to-use API for integrating powerful audio understanding into their applications. It goes beyond simple transcription, offering a suite of AI models that can summarize a call, detect its topic, and even analyze its sentiment. For any product that deals with audio or video, AssemblyAI provides a simple, powerful, and scalable backend.

Key Features

  • Provides a single, fast API for transcribing audio and video files with high accuracy
  • Offers additional "Audio Intelligence" models that run on the transcript, like summarization, entity detection, and content moderation
  • Supports real-time transcription for live streams and conversations
  • Features speaker diarization to identify who said what in a conversation
  • Serves as the go-to, enterprise-grade speech AI platform for thousands of developers
  • Transcribe audio with high accuracy and speaker labels
  • Perform sentiment analysis, entity detection, and summarization
  • Support for real-time streaming and async batch processing
  • Train custom models on specific vocabularies
  • Simple integration with comprehensive SDKs and documentation
AssemblyAI hero image