Improving GPT‑5.6 Sol in ChatGPT, expanding GPT‑5.6 Luna access for free users

The company has updated its ChatGPT service with the new GPT-5.6 Sol model, promising more reliable facts and focused answers for paid users. Additionally, free users now have access to the GPT-5.6 Luna model with expanded capabilities.
Why it matters
These updates represent the ongoing arms race in AI model performance and the strategic push to make advanced reasoning tools more accessible to the general public.
Loading… Share GPT-5.6 Sol, tuned for how you use ChatGPT GPT-5.6 Sol, tuned for how you use ChatGPT More focused answers More reliable facts More consistent, from quick answers to deeper thinking Expanding access for free users Safety and availability More intelligence for more people GPT-5.6 Sol, tuned for how you use ChatGPT More focused answers More reliable facts More consistent, from quick answers to deeper thinking Expanding access for free users Safety and availability More intelligence for more people Our mission is to ensure that artificial general intelligence benefits all of humanity. We’re introducing updates to ChatGPT that improve everyday conversations while expanding access for Free users.
For Plus and Pro users, we’re updating GPT‑5.6 Sol in Chat to be more reliable with facts and provide more focused answers. A new slider lets you choose how much thought ChatGPT puts into each response.
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