# Customer story: Circles uses OpenAI API and Codex for telco personalization

> A customer story describing how Circles built AI-native telco experiences on the OpenAI API and Codex, citing 22% higher ARPU, 9% lower churn, and improved development efficiency. Vendor-reported metrics, no technical or product change.

| | |
|---|---|
| **Tool** | OpenAI |
| **Version** | — |
| **Kind** | announcement |
| **Published** | 2026-08-03 |
| **Observed** | 2026-08-11 |
| **Significance** | 1/5 |
| **Breaking** | no |
| **Categories** | docs |

## What changed


A customer story describing how Circles built AI-native telco experiences on the OpenAI API and Codex, citing 22% higher ARPU, 9% lower churn, and improved development efficiency. Vendor-reported metrics, no technical or product change.


## Sources

- [blog_rss](https://openai.com/index/circles) — retrieved 2026-08-11


## Community

_No curated reactions recorded. Facts and community takes are kept in separate layers
and never blended._

---
Canonical: https://changelogs.info/openai/customer-story-circles-uses-openai-api-and-codex-for-telco-personalization
Entity: https://changelogs.info/openai
Event ID: `evt_2026-08-03_openai_circles-powers-telco-personalization-with-openai-technology`
Licence: event synthesis © changelogs.info, CC BY 4.0. Linked sources belong to their vendors.