Improving GPT‑5.6 Sol in ChatGPT—and expanding access to GPT-5.6 Luna for free users

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OpenAI Blog · 2026-08-06 10:00 UTC AI

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ChatGPT has released an improved GPT‑5.6 Sol model with better accuracy and consistency. Free users now have expanded access to GPT‑5.6 Luna, allowing unlimited everyday chats. The update enhances the performance of OpenAI's large language models.

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Because the article discusses new LLM releases and improved performance, directly aligning with your focus on AI models and generative AI.

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ChatGPT introduces improved GPT-5.6 Sol with better accuracy and consistency, plus expanded access for free users and unlimited everyday chats with GPT-5.6 Luna.


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