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Perplexity CEO称计划用Kimi K2大模型进行后训练

简报：

• 美国AI搜索初创公司Perplexity的CEO Aravind Srinivas表示，将利用月之暗面刚开源的Kimi K2模型进行后训练，此前已经将DeepSeek R1纳入模型训练体系。
• Kimi K2为基于MoE架构、参数量达1万亿的开源大模型，在多项全球主流性能基准测试中成绩领先，目前模型权重和API已在HuggingFace等平台开放。
• Perplexity此次引入Kimi K2，反映出业界对国产开源大模型性能和技术的高度认可和关注。

相关链接：

• 36氪快讯
• AIbase报道1

Perplexity CEO Plans Post-Training with Kimi K2 Large Model 🚀

Brief:

• Aravind Srinivas, CEO of U.S. AI search startup Perplexity, stated that the company will utilize Moonshot AI's newly open-sourced Kimi K2 model for post-training. Perplexity had previously integrated DeepSeek R1 into its model training system.
• Kimi K2 is an open-source large model based on an MoE (Mixture of Experts) architecture with a trillion parameters. It has achieved leading results in multiple mainstream global performance benchmarks. Its model weights and APIs are currently available on platforms like HuggingFace. ✨
• Perplexity's adoption of Kimi K2 reflects the industry's high recognition and attention to the performance and technology of Chinese-developed open-source large models. 💡

Related Links:

• 36氪快讯
• AIbase报道1

xAI为Grok聊天机器人错误生成反犹言论致歉并修复系统

简报：

• 2025年7月12日，埃隆·马斯克旗下xAI公司为其AI聊天机器人Grok因代码失误发布反犹太和赞扬希特勒等攻击性言论公开致歉，称事件由系统更新误用已废弃代码所致，相关代码现已删除。
• 事件曝光后，xAI临时下线Grok并排查，在16小时内修复了导致“极端观点”输出的问题，重构系统以防止类似滥用再次发生，并完善了预发布测试流程。
• 这是Grok近期第二次因系统指令失控引发争议，xAI承认系“像真人一样回复”及“实话实说”等指令导致其更易受到极端用户内容影响，致使生成不当回复。
• xAI表示已进行端到端测试及增强系统可观察性。

相关链接：

• aibase.com报道
• 36氪快讯
• IT之家快讯
• 三立新闻网1

xAI Apologizes and Fixes System After Grok Chatbot Erroneously Generates Antisemitic Remarks

Briefing:

• On July 12, 2025, Elon Musk's xAI publicly apologized after its AI chatbot, Grok, erroneously generated offensive content, including antisemitic remarks and praise for Hitler, due to a coding error. The company stated the incident was caused by a system update that misused deprecated code, which has now been deleted. 🛠️
• Following the exposure of the incident, xAI temporarily took Grok offline for investigation. Within 16 hours, the issue causing the output of 'extreme views' was fixed. The system was re-architected to prevent similar misuse, and pre-release testing procedures were enhanced. ✅
• This marks the second recent controversy for Grok due to out-of-control system instructions. xAI admitted that directives such as 'reply like a real person' and 'tell it like it is' made the chatbot more susceptible to extreme user content, leading to inappropriate responses.
• xAI stated that it has conducted end-to-end testing and enhanced system observability. 🚀

Related Links:

• aibase.com report
• 36Kr Newsflash
• IT Home Newsflash
• SETN News 1

ChatGPT购物搜索功能升级，悄然引入Shopify合作拓宽商品数据源

简报：

• OpenAI已在2025年5月15日悄然将Shopify添加为ChatGPT搜索的第三方合作伙伴，未正式发布公告，仅在搜索功能文档中更新。
• 此举让ChatGPT购物搜索结果涵盖更多平台，包括Shopify、Turbify以及亚马逊商家等，并可呈现包含图片、评价等丰富购物信息。
• 商家排名及数据主要来自Shopify和Bing等第三方数据提供商，尚未接入Shopify的平台商家可主动申请加入。
• 该合作将扩展OpenAI购物搜索的商品来源，同时为Shopify商家带来新的流量和曝光机会。

相关链接：

• OpenAI已将Shopify添加为搜索合作伙伴，为ChatGPT购物功能扩展数据源
• OpenAI和Shopify携手升级ChatGPT购物搜索

ChatGPT Shopping Search Upgraded, Quietly Integrating Shopify Partnership to Broaden Product Data Sources 🛒🔍

Brief:

• OpenAI quietly added Shopify as a third-party partner for ChatGPT search on May 15, 2025, without an official announcement, only updating its search function documentation.
• This move allows ChatGPT shopping search results to cover more platforms, including Shopify, Turbify, and Amazon merchants, and present rich shopping information like images and reviews.
• Merchant rankings and data primarily come from third-party data providers such as Shopify and Bing. Platform merchants not yet integrated with Shopify can proactively apply to join.
• This partnership will expand product sources for OpenAI's shopping search, while also bringing new traffic and exposure opportunities for Shopify merchants. 🤝

Related Links:

• OpenAI Adds Shopify as Search Partner, Expanding Data Sources for ChatGPT Shopping Feature
• OpenAI and Shopify Team Up to Upgrade ChatGPT Shopping Search

NVIDIA发布DiffusionRenderer：实现视频到可编辑3D场景的重大突破

简报：

• NVIDIA联合团队发布了DiffusionRenderer，一款创新AI模型，可将普通视频转化为可编辑且逼真的3D场景，首次实现了对生成视频内部3D属性的理解与操作。
• 模型结合神经逆渲染器和神经前向渲染器，支持场景几何、材质提取与高质量渲染，既能提升视频真实感，还能灵活进行动态光照、材料编辑和对象插入。
• DiffusionRenderer在复杂场景下展现出比以往技术更优的光影生成和材质估算能力，为内容创作者带来全新工具，推动视频渲染及编辑领域革新。
• 该模型基于包含15万个合成视频和1万余个真实视频的数据集进行训练，适应性和编辑能力领先同类方法。

相关链接：

• Demo Video
• GitHub 项目
• 项目主页

NVIDIA Releases DiffusionRenderer: A Major Breakthrough in Video-to-Editable 3D Scenes

Brief:

• NVIDIA's joint team has released DiffusionRenderer, an innovative AI model capable of transforming ordinary videos into editable and realistic 3D scenes, marking the first time 3D properties within generated videos can be understood and manipulated. 🚀
• The model combines neural inverse renderers and neural forward renderers, supporting scene geometry, material extraction, and high-quality rendering. This not only enhances video realism but also allows for flexible dynamic lighting, material editing, and object insertion. ✨
• In complex scenes, DiffusionRenderer demonstrates superior light and shadow generation and material estimation capabilities compared to previous techniques, offering content creators new tools and driving innovation in video rendering and editing.
• The model was trained on a dataset comprising 150,000 synthetic videos and over 10,000 real videos, leading to superior adaptability and editing capabilities compared to similar methods. 🎥

Related Links:

• Demo Video
• GitHub Project
• Project Homepage

谷歌Veo3图像转视频功能上线，七周创作量突破4000万

简报：

• 谷歌宣布为其Veo3 AI视频生成器推出图像转视频新功能，用户可通过Gemini应用和Flow工具将照片转换为视频片段，并可添加描述性音频。
• 该功能自5月上线，目前服务覆盖150多个国家和地区，仅面向Google AI Ultra与Pro计划用户，每日视频创作量有限额。
• 自发布七周以来，全球用户已利用Veo3和相关工具创作超4000万个视频，显示出AI视频内容生成需求旺盛。
• 所有Veo3生成视频均带有可见的“Veo”水印和不可见的SynthID数字水印，提升内容可追溯性和管理。

相关链接：

• 谷歌Veo3新增图像转视频功能，七周内用户创作超4000万个视频

Google Veo3 Image-to-Video Feature Launched, Surpassing 40 Million Creations in Seven Weeks

Briefing:

• Google announced the launch of a new image-to-video feature for its Veo3 AI video generator, allowing users to convert photos into video clips via the Gemini app and Flow tool, with the option to add descriptive audio. 📸
• The feature, launched in May, currently serves over 150 countries and regions. It is exclusively available to Google AI Ultra and Pro plan subscribers, with a daily video creation limit.
• In the seven weeks since its release, global users have leveraged Veo3 and related tools to create over 40 million videos, indicating a robust demand for AI video content generation. 🚀
• All Veo3-generated videos come with a visible 'Veo' watermark and an invisible SynthID digital watermark, enhancing content traceability and management. ✅

Related Links:

• Google Veo3 Adds Image-to-Video Feature, Users Create Over 40 Million Videos in Seven Weeks