ChatGPT brings unlimited text chats to free users
The change is powered by GPT-5.6 Luna, now the default for Free and Go accounts, which OpenAI says cut factual errors 62% versus GPT-5.5-Instant. Plus and Pro users get an upgraded GPT-5.6 Sol and a thinking slider, with errors down 68%. Unlimited chats and the new Think button roll out next week.
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