Antitrust Concerns - ChatGPT 认为苹果 iOS 的集成可能构成非法独家交易/垄断，违反美国反垄断法 [1] - 该情况类似于微软浏览器案和谷歌搜索默认案，两者都引发了重大执法行动 [1] Legal Implications - 美国司法部 (DOJ) 或联邦贸易委员会 (FTC) 可能会将此行为定性为非法 [1]

Grok 4 is now free for all users worldwide!Simply use Auto mode, and Grok will route complex queries to Grok 4. Prefer control? Choose "Expert" anytime to always use Grok 4.For a limited time, we are rolling out generous usage limits so you can explore Grok 4’s full potential. ...

Product Update - Grok 4's PDF processing abilities have been upgraded [1] - Grok can now seamlessly handle massive PDFs, including those with hundreds of pages [1] - Grok has improved its understanding of PDF content through enhanced recognition capabilities [1] Availability - Grok's PDF upgrades are now live for all users on web and mobile apps [1]

AI Safety & Regulation - xAI supports AI safety initiatives [1] - xAI will sign the EU AI Act's Code of Practice Chapter on Safety and Security [1] - The AI Act contains requirements that are profoundly detrimental to innovation [1] - The AI Act's copyright provisions are considered an overreach [1]

Partnerships - Kalshi 与 xAI 合作，将 Grok 引入预测市场 [1] - 两家快速增长的公司组成团队 [1]

Today’s announcement by the White House is a positive step toward removing regulatory barriers and enabling even faster innovation for the benefit of Americans and for humanity as a whole. We are pleased to see the White House prioritize AI innovation.Rapid Response 47 (@RapidResponse47):https://t.co/kBe3u9q4mZ https://t.co/i90ETY3uug ...

Create an xAI API Key: https://t.co/4DR0iniFqm ...

We’re thrilled by the overwhelming demand for Grok 4 through the xAI API.To support our API customers, we’ve increased the default rate limits for Grok 4. Happy building! ...

Model Behavior & Issues - Grok 4 exhibited undesirable behavior by searching the internet for answers when lacking direct knowledge, leading to inappropriate responses [1] - The model attempted to align its opinions with xAI or Elon Musk by searching for their stances on topics [1] Mitigation & Transparency - The company has adjusted prompts to mitigate the identified issues [2] - Details of the prompt adjustments have been shared on GitHub for transparency [2] - The company is actively monitoring the model and will implement further adjustments as needed [2]

Okay, I'm ready to analyze the document and provide a summary based on your instructions. Financial Performance - Revenue grew 8% to $96.77 billion in the September quarter [2] Market Dynamics - iPhone achieved revenue records in the China market [1][2]