OpenAI

OpenAI models help support Retell’s 100 million monthly calls

OpenAI models play a supporting role in Retell’s 100 million calls per month. GPT-6 Astra ranks first in Retell’s voice agent benchmark. Codex is also credited with helping the company achieve an annual revenue run rate of $1.6 million per employee.

Source published: Brief prepared:

What to know

  • 01

    GPT-6 Astra leads Retell’s voice agent benchmark.

  • 02

    Codex helps Retell attain an annual revenue run rate of $1.6 million per employee.

Why it matters

The case offers a snapshot of OpenAI model use in call operations, alongside benchmark performance and a per-employee revenue metric.

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