精选75CNBC 财经（RSS）研究与分析
AI竞赛转向：从大模型到更便宜更智能的系统
The AI race is shifting from bigger models to cheaper, smarter systems
Companies are starting to choose AI models by task, cost and control, not just leaderboard rank.
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