AssemblyAI
assemblyai.comThe best way to build Voice AI apps
Dev Toolsspeech-to-textvoice-aitranscriptionapinlpaudio-processingreal-time
About
AssemblyAI provides production-grade speech-to-text and audio understanding APIs for developers building Voice AI applications. The platform offers real-time transcription, context and intent understanding, and agentic workflow capabilities with no concurrency limits. It is designed to scale from early-stage products to enterprise workloads processing hundreds of thousands of hours of audio per month.
Problem
Building and scaling speech transcription and voice understanding infrastructure is complex, time-consuming, and expensive to manage in-house.
For
developers and engineering teams building Voice AI applications
How it works
AssemblyAI exposes REST and streaming APIs that developers integrate into their apps to transcribe audio, extract meaning, and power real-time voice workflows without managing the underlying models or infrastructure.
Business model
freemium
Status
launched