OpenAI launches GPT-5.6 Sol and Luna, merging instant chat with deep reasoning

OpenAI 发布 GPT-5.6 Sol 与 Luna 新模型

OpenAI dropped GPT-5.6: Sol merges instant chat and deep reasoning for Plus/Pro users, with more accurate, focused replies. Free and Go users get unlimited Luna text chat starting tomorrow. The post doesn't disclose benchmarks, pricing, or technical details—hold off until real tests land.

Why it matters: OpenAI released GPT-5.6 Sol and Luna with clear product positioning: Sol removes mode selection for paid users, Luna gives free users unlimited text chat starting tomorrow. This is one of the most significant ChatGPT product updates this year, but the post doesn't disclose ben...