Leading artificial intelligence company OpenAI has once again demonstrated an impressive expansion rate. CEO Sam Altman revealed in an internal message that its flagship product ChatGPT has returned to a high-growth trajectory, with a monthly growth rate now exceeding 10%. According to the latest public data, as of January 2026, ChatGPT's weekly active users have reached a scale of 800 million.

Aside from the leap in user numbers, OpenAI's product iterations are also accelerating. Altman stated that a new ChatGPT chat model will be launched this week. The outside world generally speculates that this model may be a conversational branch version of the programming-specific model Codex released last week. According to official information, this series of models performed exceptionally well in the intelligent agent programming benchmark test and the operation speed is 25% faster than previous versions.

In specific fields, OpenAI's performance is equally impressive. Altman described the growth of the programming product Codex as "crazy" — its user base increased by 50% within just one week. Currently, Codex is facing off directly with Anthropic's popular tools in the programming market. In addition, the desktop application of Codex also shows greater ambition, and its functions are expected to gradually extend to more application scenarios beyond programming in the future.

Key Points:

  • 📈 User Growth Resumes: ChatGPT's monthly growth rate exceeds 10%, and its weekly active users broke through the 800 million mark at the beginning of this year.

  • 🚀 New Model on the Way: OpenAI plans to release a new model this week with a 25% improvement in operating speed, which is expected to further enhance the ability of intelligent agent conversations.

  • 💻 Programming Product Shows "Crazy" Performance: Codex achieved a 50% growth in just one week and is planning to expand into more non-programming use scenarios through its desktop application.