According to Sam Altman on Twitter, OpenAI is significantly increasing reasoning rate limits for ChatGPT Plus users, raising all model-class limits beyond pre-GPT-5 levels. This upgrade enables faster and more complex AI interactions for business and enterprise users, supporting higher volumes of advanced analysis and automation tasks. Additionally, OpenAI will soon introduce a user interface update that clearly indicates which AI model is active, improving transparency and user trust. These changes highlight OpenAI's commitment to operational scalability and enhanced user experience, offering competitive advantages for organizations leveraging AI-powered solutions (Source: Sam Altman on Twitter, August 10, 2025).

According to Sam Altman on Twitter, OpenAI is doubling GPT-5 rate limits for ChatGPT Plus users as the model rollout completes. Plus subscribers will have the option to continue using the legacy GPT-4o model, with OpenAI monitoring usage to determine how long legacy models remain available. These updates are aimed at improving user experience and offering greater flexibility for business applications, signaling a competitive push in generative AI services and enhanced productivity tools. (Source: Sam Altman, Twitter, August 8, 2025)