Topic overview
In brief
- OpenAI is removing limits on text-based chats for all users on ChatGPT, introducing the new GPT-5.6 Luna model.
- Plus and Pro users will receive an upgraded GPT-5.6 Sol model for quick tasks and a thinking slider for tailored responses.
- These updates reflect OpenAI's commitment to enhancing user experience and maintaining its competitive edge in AI.
Summary
On August 6, 2026, OpenAI announced significant updates to its ChatGPT platform, impacting users worldwide. The company revealed that it is removing limits on text-based chats for all users, including those on the free and Go plans. This change comes as ChatGPT recently surpassed 1 billion weekly users, indicating its growing popularity and demand. The new GPT-5.6 Luna model will be the default for Free and Go users, replacing the previous GPT-5.5 model. Additionally, a new 'Think' button will be introduced, allowing users to select higher reasoning power for more complex queries.
The updates are not limited to free users; Plus and Pro users will also benefit from enhancements. They will gain access to an upgraded GPT-5.6 Sol model, which is designed for quick tasks such as answering questions, conducting web research, providing advice, planning, writing, and decision-making. This new model promises to deliver more compact and robust answers compared to its predecessor. OpenAI's internal evaluations have shown that factual errors are significantly less common in the new models, with a 62% reduction for GPT-5.6 Luna and a 68% reduction for GPT-5.6 Sol compared to the previous version.