Retell uses OpenAI models to power 100M monthly calls
Key point
Retell uses OpenAI models, stating that GPT-6 Astra tops their voice agent benchmark and Codex helps them reach a $1.6M annual revenue run rate per employee.
Retell uses OpenAI models to help power 100M monthly calls. The company says GPT-6 Astra tops Retell’s voice agent benchmark.
Additionally, the company states that Codex helps it reach a $1.6M annual revenue run rate per employee.
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