What happened

OpenAI updated GPT-5.6 Sol in ChatGPT to boost accuracy and consistency. The company also expanded free user access to GPT-5.6 Luna. Free accounts now include unlimited everyday chats with the Luna model.

The context

Model upgrades frequently target paying subscribers first. This change expands free features by making GPT-5.6 Luna available for general daily use without a paid plan.

What this means for you
👤EverydayYou can use GPT-5.6 Luna for unlimited everyday chats on a free ChatGPT account.
💼At workTasks relying on GPT-5.6 Sol in ChatGPT will return more consistent and accurate answers.
🏢BusinessNo direct change for enterprise plans or paid API tiers was stated in this update.
🌍The worldFree tiers now carry higher model access, lowering the barrier to updated AI tools globally.

Sources

  1. Official source, https://openai.com/index/improving-gpt-5-6-sol-in-chatgpt Primary source

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