Last Week in AI Last Week in AI

#240 - Project Glasswing, Claude Mythos, GLM-5.1, emotion concepts

Apr 16, 2026

Summary

This episode focuses on Anthropic’s launch of Project Glasswing and its powerful Claude Mythos model, which demonstrates advanced autonomous cybersecurity and biological capabilities, prompting restricted access. Other topics include Google’s Gemini 3.1 Flash Live update, Microsoft’s new foundational models, and Anthropic’s surging revenue driving compute partnerships with Google and Broadcom. The discussion also covers Sam Altman’s trustworthiness, industry efforts to combat model copying, and the rise of Chinese AI chipmakers.

Topics discussed

Sponsors: Box, OutShift, and Mirror Facial Bar Intro: Hosts return and recap recent AI news Anthropic Opus 4: Cyber capabilities and bioweapon risks AI in Cybersecurity: Offensive vs. Defensive leverage OpenAI o3-mini and real-time voice API launch Anthropic pricing changes and compute constraints OpenAI GPT-4.5, Microsoft partnership, and Meta delays Suno AI: Voice cloning and personalized music features Anthropic revenue surge and Google-Broadcom chip deal Sam Altman trustworthiness and Frontier Model Forum Chinese chip makers and Huawei Ascend 910C progress OpenAI $6.5B loan and valuation dynamics Anthropic biotech investment and OpenAI hiring news New Models: GLM-5, Gemma 4, and Z.ai multimodal fusion Pentagon blocks Anthropic over supply chain risk ruling Research: Emotion vectors and model alignment Manus founders detained and NVIDIA export license issues Research: Alignment generalization and metagaming Iran cyber threats and episode conclusion
Listen ad-free on Castria