# Retell uses OpenAI models to power 100M monthly calls

> Original title: Retell uses OpenAI models to help power 100M monthly calls

- Source: OpenAI News
- Published: 2026-10-27T15:00:00.000Z
- Bad Influence: https://badinfluence.news/items/zou8c7m1m78hommvu5b54joik
- Original: https://openai.com/index/retell-ai

## Summary

Retell, a voice agent company, says it uses OpenAI models to power more than 100M monthly calls. GPT-6 Astra tops Retell's voice agent benchmark, and Codex helps the company reach a $1.6M annual revenue run rate per employee.