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Nvidia supplies GPT-5.5 Codex to 10,000 employees, cutting cost to one-35th

OpenAI’s GPT-5.5-based Codex has been deployed on Nvidia Blackwell systems, with more than 10,000 Nvidia employees beginning to use it. Nvidia said the rollout cut costs to one-35th of GPT-4o levels and increased token output per megawatt by 50 times. Codex has expanded beyond coding help to an agent tool supporting non-technical work across departments. Nvidia employees praised the results, and Jensen Huang said agents do work beyond answering questions.