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The field of Artificial Intelligence continues its rapid evolution with several notable developments. Google has introduced Agent Payments Protocol (AP2), an open standard designed to facilitate secure and seamless financial transactions between AI agents and online merchants. Meanwhile, xAI has unveiled the Grok 4 Fast model, a powerful multimodal reasoning engine boasting an impressive 2 million token context window. OpenAI is making strides in coding capabilities with the launch of GPT-5-Codex, specifically tailored for agentic coding tasks within the Codex environment. Furthermore, Google is integrating new AI-powered features directly into its Chrome browser, enhancing user experience. These announcements were recently highlighted within the Reddit’s Artificial Intelligence community [https://old.reddit.com/r/artificial/comments/1nnjtdf/major_developments_in_ai_last_week/].