Retell uses OpenAI models to help power 100M monthly calls
· By Antonio Sedino, CTRO · Published by Reinventy Solutions Corp.
Retell's voice agent benchmarked using OpenAI models, reaching a $1.6M annual revenue run rate per employee.
OpenAI's GPT-6 Astra model leads Retell's voice agent benchmark, while Codex enables a $1.6 million annual revenue run rate per employee. Why it matters: For Industry, the source defines what should be monitored, while its stated evidence and qualification limits remain the boundary of the conclusion.