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

- Source: OpenAI News
- Published: 2026-10-27T15:00:00+00:00
- Category: Tech
- Original: https://openai.com/index/retell-ai
- Canonical: https://groundlevelnews.com/story/retell-uses-openai-models-to-help-power-100m-monthly-calls-d42fb1/

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

_Ground Level News shows a short summary only; the full article and all rights belong to OpenAI News._