Retell uses OpenAI models to help power 100M monthly calls
Retell AI, a voice agent platform, has achieved 100 million monthly calls using OpenAI models including GPT-4o, with GPT-4o Astra demonstrating top performance on their voice agent benchmark. The company reports reaching a $1.6M annual revenue run rate per employee by leveraging these models for its voice AI infrastructure.
Source: OpenAI