Retell uses OpenAI models to help power 100M monthly calls

October 27, 2026

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

More Stories

microsoft-just-shared-azure’s-actual-revenue-in-dollars:-$33.2-billion

Microsoft just shared Azure’s actual revenue in dollars: $33.2 billion

October 28, 2026
google-expands-ai-search-ads-globally-as-core-ad-growth-slows

Google expands AI Search ads globally as core ad growth slows

October 28, 2026
microsoft-recorded-$10-billion-in-revenue-from-openai

Microsoft recorded $10 billion in revenue from OpenAI

October 28, 2026