ChatGPT brings unlimited text chats to free users
OpenAI said that ChatGPT free and Go users are also getting a new think button for complex queries.
OpenAI has announced the removal of text-based chat limits for all users on ChatGPT, following its recent crossing of the 1 billion weekly user mark. The new GPT-5.6 Luna model will now power this experience and serve as the default model for both Free and Go users, replacing the GPT-5.5 model. The update also introduces a "Think" button, allowing users to select a higher reasoning power for complex queries.
Although separate limits for files, images, voice, and image generation will persist, Plus and Pro users will benefit from an upgraded GPT-5.6 Sol model. This new model is optimized for quick tasks like answering questions, conducting web research, providing advice, and making decisions, delivering more precise and robust responses.
Additionally, ChatGPT Plus and Pro users will have access to a thinking slider, enabling them to adjust the level of thought the model invests in an answer according to the query's complexity and the number of steps involved. Internal testing revealed that GPT-5.6 Luna and GPT-5.6 Sol have significantly fewer factual errors compared to GPT-5.5-Instant, with errors reduced by 62% and 68% respectively.
The upgraded GPT-5.6 Sol model is accessible to Plus and Pro users immediately, while the new features for Free and Go users will roll out next week.
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