AssemblyAI builds the most accurate, fully featured speech-to-text and speech understanding models on the market, enabling developers to ship groundbreaking Voice AI products quickly and scale with ease. Their products include Speech-to-Text, Streaming Speech-to-Text, Speech Understanding, LLM Gateway, Guardrails, and Speech-to-Speech. AssemblyAI's models lead the industry in accuracy and reliability with the industry's lowest Word Error Rate (WER), up to 30% fewer hallucinations than other providers, and are preferred by 73% of end users in unbiased evaluations. They provide a full suite of speech understanding capabilities such as advanced speaker diarization, automatic text and alphanumeric formatting, and multilingual speech detection. AssemblyAI serves over 600 million inference calls and 840 million API calls per month, processing over 40 terabytes of audio daily. The platform is designed to be easy for developers to start with and scale on, offering pay-as-you-go pricing without contracts or throttles. Their technology is used by top Voice AI companies including startups and Fortune 500 organizations to unlock the power of voice data and launch best-in-class products.