AssemblyAI

AssemblyAI is a platform that provides AI models to transcribe and understand speech, offering Speech-to-Text API, Streaming Speech-to-Text API, Speech Understanding API, Voice Agent API, Guardrails, and an LLM Gateway. It is designed for developers and organizations building voice AI applications, including use cases such as conversation intelligence, medical transcription, contact centers, voice agents, and AI notetakers. The platform combines models, APIs, and infrastructure in one place, allowing users to build voice capabilities into any product on any stack. Key capabilities include transcribing speech to text, extracting insights from voice data, and deploying voice agents that respond instantly. The platform also supports self-hosted voice AI cloud deployments. Customer stories indicate that companies like Zoom use AssemblyAI to advance AI research and development, while Siro achieved a 90% reduction in customer complaints and support tickets using the platform.