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Scaling Storage for One Billion ChatGPT Users: The Evolution of OpenAI's Habitat

First seen · 9/11/2026, 06:00 PMLatest activity · 9/11/2026, 06:00 PM

OpenAI provides a technical breakdown of Habitat, an internal storage system that transitioned from a simple Python library into a globally distributed storage platform. Designed to sustain ChatGPT's surge past one billion users, the architecture now handles 22 million requests per second. This first engineering retrospective unpacks the distributed systems decisions required to keep a planetary-scale generative AI responsive under extreme read-write pressure.

Event heat · last 24 hours

There are 8 persisted snapshots in the last 24 hours. Peak heat was 10 at 9/12, 14:00; latest heat is 10.

There are 8 persisted snapshots in the last 24 hours. Peak heat was 10 at 9/12, 14:00; latest heat is 10.10509/12, 14:00, event heat 109/12, 17:00, event heat 109/12, 20:00, event heat 109/12, 23:00, event heat 109/13, 02:00, event heat 109/13, 05:00, event heat 109/13, 08:00, event heat 109/13, 11:00, event heat 1024 hours agoNow
  1. 9/12, 14:00, event heat 10
  2. 9/12, 17:00, event heat 10
  3. 9/12, 20:00, event heat 10
  4. 9/12, 23:00, event heat 10
  5. 9/13, 02:00, event heat 10
  6. 9/13, 05:00, event heat 10
  7. 9/13, 08:00, event heat 10
  8. 9/13, 11:00, event heat 10

Reporting Timeline

  1. OfficialOpenAI News9/11, 06:00 PMRepresentative
    Scaling Storage for One Billion ChatGPT Users: The Evolution of OpenAI's Habitat