Model updates

Official news, first rumor reports and substantive progress. Each entry keeps the information published at that time.

• OpenAI says Retell uses its models to power 100M+ monthly voice-agent calls

  OpenAI’s customer story says Retell AI’s contact-center voice platform now handles more than 100 million monthly calls, with OpenAI models generating responses on about 80% of calls and more than 1 trillion tokens consumed. Retell’s October 13 vCX benchmark ranked GPT-6 Astra first for instruction following at 89.7%, and engineers use Codex plus GPT-6 Astra computer use across development; Retell cites a $1.6M annual revenue run rate per employee.

  OfficialOfficial updateOct 27Source: OpenAI NewsPart of Retell

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