The upgrades will help both paid and free users.
OpenAI defaults all users to GPT-5.6 Luna and Plus/Pro to Sol this week. Competitive pressure from cheaper Chinese open-weight models drives the move to boost free tiers, reshaping how enterprises allocate AI budgets and evaluate paid-tier value.
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A photo illustration shows the ChatGPT app displayed on a laptop screen. Photo: Leon Neal/Getty Images.
OpenAI on Thursday announced a series of changes that will upgrade ChatGPT for both paid and free users.
Why it matters: Free AI plans from frontier labs now offer more intelligence than most people will use, while enterprises are still figuring out how to budget for advanced capabilities.
Free users are also getting a new default AI model.
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OpenAI said that ChatGPT free and Go users are also getting a new think button for complex queries.
OpenAI announces unlimited GPT-5.6 Luna access for ChatGPT free users
