---
title: Retell uses OpenAI models to help power 100M monthly calls
link: https://openai.com/index/retell-ai
source: openai-com
published: 2026-10-27T15:00:00Z
updated: 2026-10-27T15:00:00Z
first_seen: 2026-10-27T23:58:53.000547404Z
summary: GPT-6 Astra tops Retell’s voice agent benchmark, while Codex helps it reach a $1.6M annual revenue run rate per employee.
content: feed
html: 2026-10-27-retell-uses-openai-models-to-help-power-100m-monthly-calls.html
---

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