精选70OpenAI News（RSS）产品发布/更新
ChatGPT 升级 GPT-5.6 Sol 并扩大免费用户访问
Improving GPT-5.6 Sol in ChatGPT—and expanding access for free users
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.
更进一步：量化金融体系
看懂新闻只是起点——沿量化金融路径，把它变成能交付的工程能力