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NTT DATA Group cuts incident analysis to 30 minutes with Codex

Codex — To support this transformation, NTT DATA Group rolled out ChatGPT Enterprise across the company and introduced programs that help employees make AI part of their daily work. Teams across technical and nontechnical roles now use AI not only to explore ideas through conversation, but also to carry out clearly defined tasks. ## Companywide ChatGPT Enterprise adoption creates the foundation for Codex After beginning a global strategic partnership with OpenAI in May 2025, NTT DATA Group moved to deploy ChatGPT Enterprise across the company. Building on that foundation, the company has expanded Codex to approximately 9,000 employees.

Agent or tool
ChatGPT
Topic
Sales & Marketing
Reported on
Case study (OpenAI)
Added
2026-11-11

Why it matters

Sales and marketing run on research, lists and follow-ups. Agents are starting to take on that groundwork, freeing people for the conversations that actually close deals. It is one of 613 sightings filed under Sales & Marketing on Agent Sightings (number 255 by interest), and one of 145 involving ChatGPT.

How you could try it

Here is a reusable prompt, written by us in our own words, that captures the task. Paste it into ChatGPT or any similar agent and adjust the details to your situation.

I want an agent to do the research and drafting for this sales or marketing workflow, and stop for my approval before anything is sent. The tool in the source case was ChatGPT.

Saved

Tip: Start small: run it once on a low-stakes example, read what the agent did, and only then let it run on real work.

Source

Read the original first-hand account on Case study (OpenAI): https://openai.com/index/ntt-data. Our summary is a paraphrase; details are in the source.

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