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1 million business customers: the fastest-growing business platform in history
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High(4)High quality. Established institution or organization with editorial oversight and accountability.
Rating inherited from publication venue: OpenAI
A commercial milestone announcement from OpenAI; relevant for tracking AI deployment scale and the pace at which powerful models are being embedded in business infrastructure, which has implications for governance and safety oversight.
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Importance: 28/100press releasenews
Summary
OpenAI milestone announcement highlighting that one million businesses are now using its AI tools and APIs to build products and automate workflows. The piece showcases diverse real-world deployments across industries, emphasizing AI's growing commercial adoption and practical utility.
Key Points
- •OpenAI reports reaching 1 million business customers actively using its AI products and APIs.
- •Businesses span industries including healthcare, education, finance, and retail deploying AI for automation and productivity.
- •The milestone reflects rapid commercial scaling of large language model deployments beyond consumer use.
- •Case studies illustrate how companies are integrating ChatGPT and GPT-4 APIs into core workflows.
- •Signals the mainstream normalization of AI tools in enterprise settings, raising deployment-scale considerations.
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1 million business customers: the fastest-growing business platform in history | OpenAI
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Table of contents
From personal use to companywide impact
New tools, integrations, and capabilities for businesses
Companies are seeing meaningful ROI
Where we’re heading next
November 5, 2025
Company
1 million business customers: the fastest-growing business platform in history
Customers such as Amgen, Commonwealth Bank, Booking.com, Cisco, Lowe’s, Morgan Stanley, T-Mobile, Target, and Thermo Fisher Scientific are already on board—with more joining every week.
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Today, we’re announcing that more than 1 million business customers around the world are directly using OpenAI—the fastest-growing business platform in history. This includes all organizations that actively pay OpenAI for business use—either through ChatGPT for Work, or through direct consumption of our models through our developer platform. We’re proud to work with category leaders in industries like financial services, healthcare, retail, and more, where our technology is making intelligence central to their customer experiences, internal operations, and team-level workflows.
From personal use to companywide impact
Our enterprise momentum is fueled in part by consumer adoption. With more than 800 million weekly users already familiar with ChatGPT, adoption and ROI within businesses is realized more rapidly—pilots are shorter and rollouts face less friction. We’re seeing this with the growth of ChatGPT for Work—we now have more than 7 million total ChatGPT for Work seats (up 40% in just 2 months(opens in a new window)). ChatGPT Enterprise seats specifically have grown 9x year-over-year.
New tools, integrations, and capabilities for businesses
To support this acceleration, we’ve launched a new wave of tools, integrations, and capabilities to help teams move from early use to full-scale deployment:
We introduced company knowledge, which lets ChatGPT reason across tools like Slack, SharePoint, Google Drive, GitHub, and more to get answers, do analysis, and take action using a version of GPT‑5 that’s optimized for wo
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