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TechRadar
Benedict Collins

'It was awesome to see it work': OpenAI deploys GPT-5.5 Codex across Nvidia Blackwell systems – 50x efficiency boost and 35x cost reduction makes AI ‘viable at enterprise scale’

Nvidia OpenAI Jensen Huang
An Nvidia GB200 server rack in a data center with one rack open and exposed.
  • Nvidia says OpenAI Codex deployment offers 50x increase in token output
  • Offers 35x reduction in cost compared to GPT-4o
  • 10,000 NVIDIA employees now operate codex across HR, legal, engineering and more

OpenAI has deployed its Codex model powered by GPT5.5 across Nvidia in an AI-native enterprise deployment.

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