# Retell uses OpenAI models to help power 100M monthly calls

> **Publication**: aitalky (Independent AI Journalism)
> **Canonical Citation URL**: https://aitalky.vercel.app/news/retell-uses-openai-models-to-help-power-100m-monthly-calls
> **Original Source**: [OpenAI News](https://openai.com/index/retell-ai)
> **Author**: OpenAI News Staff (undefined)
> **Published Date**: Tuesday, October 27, 2026
> **Category**: RESEARCH
> **Tags**: AI, OpenAI News, research

## Executive Summary
GPT-6 Astra tops Retell's voice agent benchmark, while Codex helps it reach a $1.6M annual revenue run rate per employee



## Full Coverage
GPT‑6 Astra tops Retell's voice agent benchmark, while Codex helps it reach a $1.6M annual revenue run rate per employee

(opens in a new window) Company size: Startup Region: North America Industry: Technology Products: API, Codex 100M+

Annual revenue run rate per employee

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