GPT-6 分层细节：Plus/Pro 用 Sol，免费版用 Luna
官方说明：GPT-6 今日起向 Plus、Pro、Business、Enterprise 全球推送，明天扩到 Free 和 Go；付费档跑 Sol，免费档跑 Luna，仅限 Chat 标签页，Work 与 Codex 模型不变。
GPT‑6 with Intelligent UI rolls out globally to Plus, Pro, Business, and Enterprise users today and will expand to Free and Go users starting tomorrow. GPT‑6 in ChatGPT is powered by GPT‑6 Sol for Plus, Pro, Business, and Enterprise tiers, and GPT‑6 Luna for Free and Go tiers. Both are tuned for everyday conversation. This update applies to the Chat tab in ChatGPT. The models powering Work and Codex are not changing as part of this release. https://openai.com/index/gpt-6-for-everyone/
GPT-6 and Intelligent UI, now rolling out in ChatGPT for everyone. Intelligent UI in ChatGPT delivers fast, interactive answers that make everyday questions more visual, complex topics easier to grasp, and interactive tools for your task available on the spot.