OpenAI announces that ChatGPT has over 900 million weekly active users, over 50 million paid subscribers, and Codex has reached 1.6 million weekly active users



On February 27, 2026, OpenAI announced that it would receive $30 billion each from SoftBank and NVIDIA, and $50 billion from Amazon. In response, OpenAI revealed that ChatGPT now has over 900 million weekly active users, over 50 million paid subscription users, and Codex's weekly active users have more than tripled since the beginning of the year, reaching 1.6 million.

Scaling Up to AI for All | OpenAI
https://openai.com/ja-JP/index/scaling-ai-for-everyone/

On February 27, 2026, OpenAI announced that ChatGPT had over 900 million weekly active users and over 50 million paid subscribers. According to OpenAI, the number of new subscribers has been increasing since the beginning of 2026, with monthly new subscriber numbers reaching record highs in January and February 2026.

Additionally, OpenAI claims that ChatGPT has over 9 million paying corporate users, and Codex , OpenAI's AI coding agent, also revealed that its weekly active users have more than tripled since the beginning of 2026, reaching 1.6 million.

In addition, OpenAI CEO Sam Altman announced that he had successfully raised $110 billion (approximately 17 trillion yen) in funding from Amazon, NVIDIA, and SoftBank.




SoftBank also announced that it has signed a definitive agreement to invest an additional $30 billion in OpenAI, bringing its total investment in OpenAI to $64.6 billion (approximately 10.1 trillion yen), and its stake in the company to approximately 13%.

Announcement of Additional Investment in OpenAI | SoftBank Group Corp.
https://group.softbank/news/press/20260227



Microsoft also issued a joint statement regarding the continuation of their partnership with OpenAI . In continuing the partnership, Microsoft announced that the intellectual property relationship between the two companies will remain unchanged, as will their commercial and revenue-sharing relationships. They also announced that Microsoft's cloud computing service, Azure, will remain the exclusive cloud provider for the stateless OpenAI API. OpenAI's first-party products, including Frontier , will continue to be hosted on Azure. The definition and process of artificial general intelligence (AGI) will remain unchanged.

Microsoft and OpenAI joint statement on continuing partnership - The Official Microsoft Blog
https://blogs.microsoft.com/blog/2026/02/27/microsoft-and-openai-joint-statement-on-continuing-partnership/



Amazon and OpenAI announced a multi-year strategic partnership under which Amazon will invest a total of $50 billion in OpenAI. Amazon will initially contribute $15 billion (approximately 2.3 trillion yen) as an initial investment, with an additional $35 billion (approximately 5.5 trillion yen) to be invested once certain conditions are met. Amazon's cloud computing service, AWS, will jointly develop a stateful developer environment based on OpenAI's AI models, known as the 'Stateful Runtime Environment,' which will be available through Amazon Bedrock .

OpenAI and Amazon announce strategic partnership
https://www.aboutamazon.com/news/aws/amazon-open-ai-strategic-partnership-investment



OpenAI and Amazon Announce Strategic Partnership | OpenAI
https://openai.com/ja-JP/index/amazon-partnership/

Regarding the partnership with NVIDIA, OpenAI explained, 'We are also expanding our long-standing collaboration with NVIDIA, which includes securing 3GW of dedicated inference computing capacity and 2GW of training on the Vera Rubin system. This builds on the Hopper and Blackwell systems already in operation at Microsoft, OCI, and CoreWeave. This expansion of capital and infrastructure will further strengthen our ability to train and deploy frontier models on a global scale.'

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in AI, Posted by logu_ii