Last Week in AI
LWiAI Podcast #237 - Nemotron 3 Super, xAI reborn, Anthropic Lawsuit, Research!
6.5内容质量
TL;DR · AI 摘要
本期播客汇总了近期AI领域核心动态，涵盖Nvidia开源120B参数Nemotron 3 Super混合架构模型、Perplexity与Cursor推出本地化与自动化编程Agent、Anthropic代码审查工具，以及多项关于模型推理扩展、长上下文优化与CUDA内核RL的前沿研究。
核心要点
- Nvidia开源Nemotron 3 Super，采用原生4位训练的Mamba-Transformer混合MoE架构，专为智能体推理优化。
- AI编程工具向自动化演进，Cursor推出常驻触发式Agent，Anthropic上线按次计费的PR代码审查服务。
- 前沿研究聚焦推理扩展提升任务成功率、长上下文RNN缓存优化及RL优化CUDA内核，揭示思维链控制局限。
#AI Agent#大模型架构#Nvidia#Anthropic#AI编程工具
打开原文Our 237th episode with a summary and discussion of last week’s big AI news!
Recorded on 03/13/2026
Hosted by Andrey Kurenkov and Jeremie Harris
Feel free to email us your questions and feedback at [email protected] and/or [[email protected]](mailto:[email protected])
In this episode:
- Perplexity announced “Personal Computer,” a local Mac-based AI agent positioned as a safer alternative to OpenAI’s computer-use agents, while Anthropic added GitHub PR code review pricing reviews at $15–$25 and Cursor launched trigger-based “Automations” for always-on coding agents.
- ChatGPT introduced interactive math/science visuals and Anthropic added in-chat interactive charts/diagrams; Nvidia released open weights for its 120B-parameter Natron Free Super hybrid Transformer–Mamba latent-MoE model trained natively at 4-bit for Blackwell GPUs.
- Nvidia halted H200 production for China amid customs blocks and domestic chip pressure; xAI saw major co-founder departures; Anthropic previewed a Claude Marketplace for enterprise procurement; Yann LeCun’s aMI raised $1.3B; humanoid robot maker Sanctuary reached a $1.15B valuation.
- Anthropic sued the Pentagon over a “supply chain risk” designation as memos ordered removal within 180 days; research covered models resisting activation steering, limits of chain-of-thought control, inference-scaling boosting cyber-task success, low-probability risky actions, weaknesses in SWE-bench, multimodal pretraining, long-context RNN memory caching, context-parallel training efficiency, RL for CUDA kernel optimization, and latent introspection detecting concept injection.
A thank you to our current sponsors:
- Box - visit Box.com/AI to learn more
- ODSC AI - go to odsc.ai/east and use promo code LWAI for an additional 15% off your pass to ODSC AI East 2026.
- Factor - head to factormeals.com/lwai50off and use code lwai50off to get 50 percent off and free breakfast for a year
Timestamps:
- (00:00:10) Intro / Banter
- (00:01:23) Response to listener comments
- Tools & Apps
- (00:11:56) Anthropic’s Claude AI can respond with charts, diagrams, and other visuals now | The Verge
- Projects & Open Source
- Applications & Business
- (00:34:04) Anthropic’s Claude Marketplace allows customers to buy third-party cloud services | TechRadar
- (00:44:52) Humanoid robotics maker Sunday reaches $1.15B valuation to build household robots | TechCrunch
- Policy & Safety
- (00:46:09) Anthropic Sues Department of Defense Over ‘Supply Chain Risk’ Label - The New York Times + Google and OpenAI Just Filed a Legal Brief in Support of Anthropic
- (01:09:52) ‘It means missile defence on datacentres’: drone strikes raise doubts over Gulf as AI superpower
- Research & Advancements
- (01:28:26) [[2603.03276] Beyond Language Modeling: An Exploration of Multimodal Pretraining](https://arxiv.org/abs/2603.03276)
- (01:40:09) Memory Caching: RNNs with Growing Memory