Retell uses OpenAI models to help power 100M monthly calls
GPT-6 Astra tops Retell’s voice agent benchmark, while Codex helps it reach a $1.6M annual revenue run rate per employee.
In brief
- What: Retell uses OpenAI models to help power 100M monthly calls
- When: October 27, 2026 at 18:00
- Source: OpenAI (primary source)
- Topic: Models
Prepared by Ilya Tarasov’s Tarasov Code newsroom based on a report by OpenAI.
