#237 - Nemotron 3 Super, xAI reborn, Anthropic Lawsuit, Research!!! - Last Week in AI Recap

Podcast: Last Week in AI

Published: 2026-03-16

Duration: 2 hr 27 min

Summary

The episode explores recent developments in AI, including the release of NVIDIA's Nematron 3 Super, Anthropic's ongoing legal battle with the Department of Defense, and the challenges faced by Elon's XAI with significant leadership departures.

What Happened

The episode starts with a deep dive into NVIDIA's release of Nematron 3 Super, a model that boasts 120 billion parameters and a 1 million token context window. The hosts discuss how it compares to other open-source models and its efficiency, especially when run on NVIDIA's own hardware.

Attention then shifts to Anthropic's lawsuit against the Department of Defense following its designation as a national security risk. The controversy centers around the implications of such a designation and the potential impact on Anthropic's business operations, with notable support from individuals at Google and OpenAI.

The episode also covers the turmoil at XAI, where significant leadership turnover has left only two of the original 11 co-founders. Elon Musk's response to the situation is mentioned, highlighting a potential restructuring of the company.

In the realm of AI applications, the episode discusses new features from Perplexity and Anthropic's Cloud, such as Perplexity's Personal Computer, which turns a spare Mac into an AI agent, and Anthropic's ability to incorporate interactive visuals in responses.

The hosts explore recent updates in the AI landscape, including Cursor's automation tools and Anthropic's enterprise-focused cloud marketplace, which aims to streamline AI and cloud service billing for businesses.

Finally, the episode touches on geopolitical tensions affecting AI technology distribution, particularly NVIDIA's halted H200 production due to Chinese restrictions, and the strategic implications for global AI development.

Key Insights