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OpenAI’s New GPT-5.5 Powers Codex on NVIDIA Infrastructure — and NVIDIA Is Already Putting It to Work

NVIDIA BlogApril 28, 2026 at 9:20 PM1 min read

AI agents have revolutionized developer workflows, and their next frontier is knowledge work: processing information, solving complex problems, coming up with new ideas and driving innovation. Codex, OpenAI’s agentic coding application, is enabling this new frontier. It’s now powered by GPT-5.

5, OpenAI’s latest frontier model, which runs on NVIDIA GB200 NVL72 rack-scale systems.

This is a summary. For the full story, read the original article at NVIDIA Blog.

Original source: NVIDIA Blog

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