OpenAI Codex scaled to over 10,000 active users inside NTT Data within months of deployment, making it one of the largest internal AI communities the company has ever built.
The sales team is the concrete proof point here. Customer list maintenance and report creation that previously consumed two full days now completes in 30 minutes. That is not an incremental improvement. That is a workflow replacement.
The deeper story worth reading is how net-new workflows emerged that did not exist before Codex arrived, not just faster versions of old ones. That distinction matters for anyone evaluating enterprise AI adoption versus enterprise AI transformation.
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