- Nvidia says OpenAI Codex implementation offers 50x increase in token output
- Offers 35x reduction in cost compared to GPT-4o
- 10,000 NVIDIA employees now run 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.
The model is now available to over 10,000 Nvidia employees and has reportedly resulted in a 35x reduction in costs and 50x increase in token output per megawatt compared to GPT-4o.
Codex has already delivered “mind-blowing” and “life-changing” results, according to Nvidia employees.
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‘Boundary model inference viable at enterprise scale’
The model has been implemented on Nvidia’s GB200 NVL72 rack-scale systems, and this is what has made the huge savings in cost and token output possible, Nvidia says.
The Nvidia Codex adoption goes beyond the typical AI implementations most companies have seen. Nvidia CEO Jensen Huang said: “Chatbots answer questions. Agents work.”
Codex’s original function was to assist GitHub users as a Copilot-like coding assistant, but can now act as an agent assistant that can perform tasks across non-technical departments such as product, legal, marketing, finance, sales, HR, and operations.
We tried a new thing with NVIDIA to roll out Codex across an entire company and it was great to see it work. Let us know if you would like to do this in your company! pic.twitter.com/Xjn6ShrRuq23 April 2026
An email from Jensen Huang, shared by Sam Altman on X, says: “Incredibly excited for everyone [that] will use Codex to accelerate and perform work that has never been possible before. Please convey my congratulations to your team for showing the world the frontier again. And thank them again for inventing GPT, giving us the springboard to reason, plan, use tools and more.”
The rollout of Codex on Nvidia systems comes as OpenAI’s rivalry with firms like Anthropic reaches new heights, especially as Anthropic’s Claude Mythos attracts widespread attention.
While both models have far-reaching and potentially revolutionary applications, Anthropic’s Mythos focuses on patching zero-day vulnerabilities at scale (as demonstrated by Firefox), whereas OpenAI’s GPT-5.5 Codex can handle real enterprise data in a secure cloud sandbox, allowing employees to move beyond chatbots and interact with an AI agent capable of working securely.
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