Credit Saison achieves 954% ROI in a ChatGPT Enterprise pilot
OpenAI presents a customer story in which Credit Saison reports a 954% return on investment from a ChatGPT Enterprise pilot. Summary based on the title only.
What the article says
Credit Saison, a Japanese group centered on credit cards (about 31.16 million cardholders), published a case study with OpenAI on October 29, 2026, about a ChatGPT Enterprise pilot. The pilot involved 315 participants, a little under 10 percent of roughly 3,700 employees in Japan, and ran a little over a month from late June to early August 2025. The company reports a 954 percent return on investment and 14 hours saved per participant each month, well above its targets of 500 percent and 7.5 hours.
Company-wide rollout was approved one month after the pilot ended and launched in September 2025. In a post-pilot survey, 75 percent of managers and 70 percent of non-managers said they could no longer do without ChatGPT Enterprise. The page describes custom GPTs for daily retail team debriefs, company research for B2B sales, and simulated prospect calls for telesales training. Credit Saison also says Codex saves its engineering team an average of 850 hours a month. These figures are reported by the company itself.
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