## 🔍 Core Insights **Gemma 4** and **LongCat-Next** shine as dual milestones—marking open-source multimodal models' entry into a new era of *natively unified modeling*; **AI agent video calling** is accelerating toward production deployment, with frameworks including OpenClaw and PikaStream already supporting real-time task execution [1][7][12]; Xiaomi has introduced the **Token Plan**, a unified billing system; Meituan unveiled the pioneering **DiNA architecture**, breaking through long-standing bottlenecks in discrete multimodal modeling; and engineering practices are shifting—from traditional RAG toward more efficient infrastructures like the **ChromaFs virtual file system** [5][2][4]. ## 🚀 Key Updates - **Gemma 4 Release: A Native Multimodal Open-Source Model under Apache 2.0** [1]: Google DeepMind launched the Gemma 4 series—supporting audio and video—and built on a highly optimized, non-standard Transformer architecture. - **Meituan's LongCat-Next Achieves Unified Token Prediction Across Text, Images, and Speech** [2]: Introducing the DiNA (Discrete Native Autoregressive) architecture—the first to enable native discrete autoregression across modalities, shattering performance ceilings in discrete multimodal modeling. - **OpenClaw AI Agent Integrates Natively with Google Meet for Real-Time Video Calls** [1]: Successfully processes end-to-end audio-video streams and interactive responses—validating a novel path toward embodied AI agents. - **Pika Labs Launches AI Agent Video Chat Capabilities Powered by PikaStream 1.0** [12]: The beta version supports real-time meeting join, visual understanding, and dynamic task response. - **Xiaomi's MiMo Large Model Adopts Token Plan Subscription Model** [5]: A unified credit-based billing system covering all-modal agent invocations—optimized for high-intensity development workflows. - **Mintlify Releases ChromaFs: A Virtual File System to Replace Traditional RAG** [4]: Significantly reduces latency and cost for AI-powered document assistants while improving retrieval accuracy and contextual consistency. - **HKU Open-Sources OpenHarness: A Lightweight, White-Box AI Agent Framework** [13]: Compatible with the Claude Code ecosystem, prioritizing debuggability and resource efficiency. - **Browser Use Cloud Introduces a Free Tier** [23]: Offers unlimited browser runtime, free proxy services, and persistent authentication—lowering barriers for cloud-based AI agent experimentation. ## 🔗 Sources [1] [AI News] Gemma 4: The Most Powerful Compact Multimodal Open-Source Model—Outperforming Gemma 3 Across All Benchmarks — https://www.bestblogs.dev/article/185810bc [2] Meituan's LongCat-Next: A Native Multimodal Approach That Treats Images and Speech as Tokens for Prediction — https://www.bestblogs.dev/article/2f2a5b5e [4] Mintlify's ChromaFs Virtual File System: Engineering Best Practices for Optimizing AI Document Assistants — https://www.bestblogs.dev/status/2039945867772268951 [5] Xiaomi's MiMo Large Model Launches Token Plan—A Single Subscription Covers All-Modal Agent Tasks — https://www.bestblogs.dev/article/d3837e08 [7] AI Agent Video Calling Is Becoming Mainstream — https://www.bestblogs.dev/status/2039923815329755196 [12] Pika Labs Introduces Real-Time Video Chat Functionality for AI Agents — https://www.bestblogs.dev/status/2039904088737947889