# OpenAI details scaling online storage for over 1 billion ChatGPT users

OpenAI published Part II of a blog post explaining how it rapidly scales online storage to serve more than 1 billion ChatGPT users. The post focuses on engineering infrastructure and capacity challenges behind supporting a massive user base. It matters for ChatGPT reliability and performance at global scale.

**Importance:** 2/5

## Sources

### Science
- [OpenAI Blog](https://openai.com/index/scaling-storage-one-billion-users-part-two) — Fri, 23 Oct 2026 17:00:00 GMT

### Technology
- [TechCrunch](https://techcrunch.com/2026/10/28/microsoft-recorded-10-billion-in-revenue-from-openai/) — Wed, 28 Oct 2026 21:34:30 +0000