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Retell uses OpenAI models to help power 100M monthly calls

AI startup Retell is leveraging OpenAI's advanced models to handle a massive scale of 100 million voice calls every month.

By TigerIQ News DeskPublished 10/29/2026, 12:48 AM4 min readShare · LinkedInShare · Email
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TigerIQ-generated illustration for: Retell uses OpenAI models to help power 100M monthly calls
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KEY TAKEAWAYS
  • • Retell reaches a milestone of 100 million monthly calls powered by AI integrations.
  • • Utilizing OpenAI's models significantly enhances response accuracy and conversational speed.
  • • This achievement highlights the rapid adoption of conversational AI in business operations.

A Major Milestone in Conversational AI

Retell has demonstrated remarkable platform scalability by processing 100 million calls per month. This milestone is largely driven by the integration of OpenAI's cutting-edge language models, allowing the system to understand and respond to human speech with unprecedented naturalness and fluidity.

The Future of Automated Customer Service

Scaling AI technology to this level not only helps businesses drastically reduce operational costs but also elevates customer experience through zero wait times. Retell's success paves the way for a new era in call center and customer service automation worldwide.

SOURCES & METHODOLOGY
  1. 1. openai.com
    Open source
  2. 2. openai.com
    Open source
  3. 3. arstechnica.com
    Open source
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