A transcription and understanding AI tool.
AssemblyAI provides AI-powered speech-to-text, streaming transcription, and speech-understanding capabilities via API, enabling developers to build scalable voice AI applications with high accuracy, speaker diarization, language detection, and more.
Industry's lowest Word Error Rate (WER)
Automatically format text and alphanumerics for clearer outputs
Correctly identify speakers with advanced diarization
Multilingual speech with automatic language detection
Developer-friendly APIs
No-code playground for testing
Scales to millions of hours without contracts or throttles
Pay-as-you-go pricing