Google AI 本周发布多项更新：Nano Banana 2 及 Pro 正式 GA，可通过 Gemini Enterprise Agent Platform、Gemini API 和 Google AI Studio 获取；Co-Scientist 多智能体系统面向科研自动生成优化新假设；Google Labs 推出 dreambeans，根据用户 Google 应用数据每日生成个性化话题集；Gemma 4 12B 统一无编码器多模态模型可完全离线运行于笔记本；Gemma 4 系列及草稿模型引入 QAT 降低内存需求；Google Magenta RealTime 2 开源实时音乐模型，支持 MIDI 键盘、文本提示和手势演奏。
周报里藏了个大号：Gemma 4 12B开源多模态且完全离线，开发者今天就能在自己笔记本上跑起来，Co-Scientist的多agent科学推理也有看头。
Here’s this week’s shipping recap 👇
— Nano Banana 2 & Nano Banana Pro are now GA and available via the Gemini Enterprise Agent Platform, Gemini API, and in @GoogleAIStudio
—Co-Scientist, our new multi-agent system for structured scientific thinking, generates and refines novel hypotheses to solve complex scientific problems
— dreambeans from @GoogleLabs works overnight to curate a personalized daily collection of topics that are relevant to you based on your connected Google apps
— @GoogleGemma 4 12B, our unified encoder-free model, brings powerful multimodal intelligence straight to your laptop fully offline
— Gemma 4 models and their drafters are now optimized with Quantization-Aware Training (QAT) to cut memory requirements and maximize on-device performance
— @GoogleMagenta RealTime 2 is our open-weights live music model that you can play like an instrument using a MIDI keyboard, text prompts, and gestures
来源：Google AI · x.com