OpenAI is eradicating limits on text-based chats for all customers on ChatGPT, which just lately crossed the 1 billion weekly user mark, the corporate announced at present.
The brand new GPT-5.6 Luna mannequin will energy this expertise and would be the default mannequin for Free and Go customers, changing GPT-5.5.
Each customers will even get a brand new “Suppose” button that lets them choose larger reasoning energy for advanced questions. OpenAI stated that there’ll nonetheless be separate limits for information, photos, voice, and picture era.

The replace brings adjustments for Plus and Professional customers as effectively. They’ll acquire entry to an upgraded GPT-5.6 Sol mannequin that’s higher for fast duties akin to questions, internet analysis, recommendation, planning, writing, and making choices. The corporate famous that this new mannequin will give extra compact and sturdy solutions. (Notably, this can be a separate model from GPT-5.6 Sol used for Codex and Work, which is unchanged.)
ChatGPT Plus and Professional customers are additionally getting a pondering slider to regulate “how a lot” thought the mannequin places into a solution. They’ll tune the pondering slider based mostly on complexity and steps concerned in fixing a question.

OpenAI stated an inner analysis discovered that, in comparison with GPT-5.5-Instantaneous, factual errors have been 62% much less frequent for GPT-5.6 Luna and 68% much less frequent for GPT-5.6 Sol.
The up to date model of GPT-5.6 Sol is accessible to Plus and Professional customers at present, whereas the opposite adjustments for Free and Go customers are arriving this week. Subsequent week, customers will acquire entry to limitless textual content chats and the brand new Suppose button for more durable questions.
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