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Applied AI·April 23, 2026·1 min read

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

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GPT-5.5 powering Codex on NVIDIA’s own infra — and NVIDIA dogfooding it — tightens the loop between model capability, agentic workflows, and GPU demand. If you’re building dev tools, assume the default stack is “OpenAI on NVIDIA” and differentiate on workflow depth, not raw model access.