周报：Google 发布 Gemini 4 Argon 旗舰模型
9 月 30 日 Google 推出 Gemini 4 Argon，称其为最强复杂任务模型，先向网络安全合作方开放，公测稍后。
TOP FIVE NEWS OF THE WEEK 1. Polymarket's stock-linked markets have already topped $220M Prediction markets are moving deeper into Wall Street territory. Per Allium data prepared for Reuters, traders on Polymarket's international platform have wagered more than $220 million across roughly 31,000 markets tied to stocks, indexes, and ETFs. The most popular names are Nvidia, Alphabet, Apple, and Tesla 2. OpenAI launched AI agents that never clock out On September 29 at DevDay, OpenAI unveiled Dots, always-on AI agents powered by GPT-6 Astra. They can work across your apps on their own, keep pursuing a goal you set, and continue tasks without a new prompt. OpenAI says this is no longer just a chatbot, but a new way of working with AI 3. Polymarket added new user-protection tools On September 30, Polymarket launched voluntary deposit limits, self-exclusion, and a new Trust & Safety Center. Users can now cap their daily, weekly, or monthly deposits (for US users) or lock themselves out for 30 days, a year, or even permanently. It's another step toward becoming a more mature, regulated financial platform 4. Google unveiled Gemini 4 Argon On September 30, Google introduced Gemini 4 Argon, its new flagship model. Google calls it its most powerful model for complex tasks, including coding and cybersecurity, and compares it directly with GPT-6 Astra and Anthropic's top models. For now, Argon is going to select cybersecurity partners, with a public release coming later 5. Polymarket hired a Goldman Sachs partner and is prepping a billion-dollar round On September 29, Polymarket hired Lisa Mantil, a former Goldman Sachs partner who spent 27 years at the bank. She'll lead the platform's institutional business, courting funds, trading firms, corporations, and banks. And it comes amid Reuters reports that Polymarket is discussing a new round of roughly $1 billion. The platform is clearly building a bridge between prediction markets and Wall Street