待翻译：Improving GPT-5.6 Sol in ChatGPT—and expanding access for free users
AI 服务暂时不可用，以下为来源摘要，待恢复后补全翻译：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.
AI 服务暂时不可用，以下为来源正文，待恢复后补全翻译。
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.