researchOctober 27, 2026·OpenAI Blog
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.
GPT-6 Astra tops Retell’s voice agent benchmark, while Codex helps it reach a $1.6M annual revenue run rate per employee.
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- •Latest on Retell uses OpenAI models to help power 100M monthly calls — reported by OpenAI Blog for the research space.
- •This story was reported by OpenAI Blog, covering developments in the research space.
- •AI advancements continue to reshape industries — read the full article on OpenAI Blog for complete coverage.
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