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

OpenAI has launched the GPT-5.5 model, enhancing the Codex application, which enables NVIDIA developers to achieve remarkable results. Over 10,000 NVIDIA employees are utilizing this application, facilitating information processing and complex problem-solving. The GB200 NVL72 system allows for economic efficiency improvements of up to 35 times the cost per million tokens, promoting the broader use of AI models. Codex accelerates correction cycles that previously took days, now completed in hours. Experiments that once required weeks can now be finished overnight, reflecting significant advancements in software development.