AI BriefingChatGPT's GPT-5.6 Sol Improvements and Expanded Free Access to GPT-5.6 Luna
Key point
OpenAI has improved GPT-5.6 Sol and expanded access to GPT-5.6 Luna for free users.
Details
OpenAI updated GPT-5.6 Sol in ChatGPT to enhance factual accuracy and response focus. The update adjusts the level of detail in answers based on question complexity, reduces unnecessary formatting, and prioritizes useful corrections over simple agreement.
Plus and Pro users can use a new slider to select the thinking level ChatGPT applies to each response. Both plans use the same model for Instant responses and deep reasoning, providing a consistent user experience.
The default model for free users has been changed to GPT-5.6 Luna, with expanded access allowing unlimited text chat. For more difficult questions, users can press the new Think button to access higher-level reasoning capabilities.
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