From OpenAI · · 1m 20s
Retell powers 100M monthly calls with OpenAI
Retell AI uses OpenAI models to handle 100M+ monthly calls with 80%+ resolution rates.
In brief
Retell AI uses OpenAI models to handle 100M+ monthly calls with 80%+ resolution rates. Retell AI platform processes over 100 million monthly calls for businesses using OpenAI models, achieving 80%+ customer resolution rates. Originally reported by OpenAI.
Retell AI platform
Retell AI is a voice AI platform for contact center operations helping businesses build agents that answer questions, take action, and connect callers with people.
100M+ monthly calls
Retell serves over 4,000 businesses with monthly call volume growing from 30 million in early 2026 to more than 100 million by September.
80%+ customer resolution
Customers achieve resolution rates above 80% using Retell's voice agents for complex workflows.
1 trillion tokens consumed
Retell has surpassed 1 trillion tokens consumed across OpenAI models, reflecting high adoption scale.
GPT-6 Astra benchmark
GPT-6 Astra ranked first for instruction following at 89.7% in Retell's October 13, 2:026 benchmark.
Codex for engineering
Retell engineers use Codex to research, build, and debug code, improving efficiency and accuracy.
OpenAI models in action
OpenAI models generate responses for 80% of calls, with customers achieving resolution rates above 80%.
$1.6M revenue per employee
Retell reports $1.6 million annual revenue run rate per employee, indicating strong financial performance.
Anker case study
Anker achieved 80.4% case resolution rate and NPS of 63 using Retell for post-sales support.
The big picture
Retell AI platform processes over 100 million monthly calls for businesses using OpenAI models, achieving 80%+ customer resolution rates.

