Confirmed by 2 independent sources.
OpenAI has announced major updates to ChatGPT, removing text-based message limits for free and Go tier users. The platform, which recently surpassed 1 billion weekly active users, is significantly expanding its accessibility.
The updates are powered by the new GPT-5.6 Luna model, serving as the default for free accounts alongside a new ‘Think’ button designed to handle complex reasoning tasks. Separate caps will still apply to files, images, and voice features.
Meanwhile, Plus and Pro subscribers are receiving the upgraded GPT-5.6 Sol model, engineered for enhanced factual accuracy and concise answers, complete with a new adjustable thinking slider for tailored processing depth.
- Unlimited text chats introduced for free and Go tier users
- New GPT-5.6 Luna model becomes the default for free accounts
- Addition of a ‘Think’ button for complex analytical questions
- Plus and Pro users get GPT-5.6 Sol and an adjustable thinking slider
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