Last Week in AI Last Week in AI

#225 - GPT 5.1, Kimi K2 Thinking, Remote Labor Index

Nov 21, 2025

Summary

This episode covers OpenAI’s GPT-5.1 release with personality presets and Google’s new agentic shopping features. It highlights China’s AI advancements, including Baidu’s robotaxis and ByteDance’s coding tools, alongside Anthropic’s $50B data center deal. The hosts also discuss Yann LeCun’s potential startup exit, Amazon’s lawsuit against Perplexity, and major funding rounds for Cursor and Gama.

Topics discussed

Sponsors: Box, Outshift, and Success Academy Intro: Guest co-host Michelle Lee and episode overview OpenAI releases GPT-4.1 and GPT-4.0 mini Baidu's Ernie Bot 2.5 and Apollo Go expansion Alibaba's Qwen 2.5 Coder release Google Shopping's conversational AI features World Labs launches World Foundation Model ChatGPT custom instructions and AI writing quirks Microsoft and Oracle data center investments NVIDIA Blackwell GPUs and China competition Yann LeCun leaves Meta to launch new startup Amazon sues Perplexity over AI shopping features Gamma raises $68M for AI presentation tool Inception Labs raises $100M for diffusion coding Cursor raises $2.3B for AI code editor Baidu Apollo Go expands to 20 cities Moonshot AI releases Kimi K2 Thinking model Research: AI automation of remote work tasks Research: Sparse transformers and mechanistic interpretability Research: Kimi Linear efficient architecture DeepMind releases SEMA 2 game-playing agent ArXiv bans AI-generated survey papers Legal: Stability AI vs Getty and OpenAI in Germany UAE invests heavily in AI infrastructure Synthetic media: AI country song and voice marketplace Outro and closing remarks
Listen ad-free on Castria