第221期节目回顾了上周重大AI新闻。OpenAI发布新版Codex，集成GPT-5增强编码能力，与Cloud Code等工具竞争。人形机器人领域，Figure AI和Unitree等公司加速发展，Tesla和Amazon Zoox扩展robotaxi服务。此外，谷歌DeepMind发布开源模型，推动机器人技术进步。法律方面，Warner Bros起诉MidJourney，Rolling Stone起诉Google，凸显AI治理挑战。

🔍 OpenAI发布新版Codex，集成GPT-5增强编码能力，旨在与Cloud Code等AI编码工具竞争，提升软件开发效率。

🤖 人形机器人领域竞争加剧，Figure AI完成C轮1亿美元融资，Unitree计划7亿美元IPO，推动技术快速迭代。

🚗 Tesla和Amazon Zoox扩展robotaxi服务， Nevada测试许可和拉斯维加斯启动，标志着自动驾驶技术商业化重要进展。

🧠 谷歌DeepMind发布开源模型，包括自改进基础模型和物理基础模型，旨在推动机器人技术和通用物理理解进步。

🏛️ 法律诉讼频发，Warner Bros起诉MidJourney，Rolling Stone起诉Google，凸显AI生成内容版权和伦理治理的复杂挑战。

Our 221st episode with a summary and discussion of last week’s big AI news!
Recorded on 09/19/2025

Hosted by Andrey Kurenkov and co-hosted by Michelle Lee
Feel free to email us your questions and feedback at contact@lastweekinai.com and/or hello@gladstone.ai

In this episode:

OpenAI releases a new version of Codex integrated with GPT-5, enhancing coding capabilities and aiming to compete with other AI coding tools like Cloud Code.

Significant updates in the robotics sector include new ventures in humanoid robots from companies like Figure AI and China’s Unitree, as well as expansions in robotaxi services from Tesla and Amazon’s Zoox.

New open-source models and research advancements were discussed, including Google’s DeepMind’s self-improving foundation model for robotics and a physics foundation model aimed at generalizing across various physical systems.

Legal battles continue to surface in the AI landscape with Warner Bros. suing MidJourney for copyright violations and Rolling Stone suing Google over AI-generated content summaries, highlighting challenges in AI governance and ethics.

Timestamps:

(00:00:10) Intro / Banter

Tools & Apps

(00:02:33) OpenAI upgrades Codex with a new version of GPT-5

(00:04:02) Google Injects Gemini Into Chrome as AI Browsers Go Mainstream | WIRED

(00:06:14) Anthropic’s Claude can now make you a spreadsheet or slide deck. | The Verge

(00:07:12) Luma AI’s New Ray3 Video Generator Can ‘Think’ Before Creating - CNET

Applications & Business

(00:08:32) OpenAI secures Microsoft’s blessing to transition its for-profit arm | TechCrunch

(00:10:31) Microsoft to lessen reliance on OpenAI by buying AI from rival Anthropic | TechCrunch

(00:12:00) Figure AI passes $1B with Series C funding toward humanoid robot development - The Robot Report

(00:13:52) China’s Unitree plans $7 billion IPO valuation as humanoid robot race heats up

(00:15:45) Tesla’s robotaxi plans for Nevada move forward with testing permit | TechCrunch

(00:17:48) Amazon’s Zoox jumps into U.S. robotaxi race with Las Vegas launch

(00:19:27) Replit hits $3B valuation on $150M annualized revenue | TechCrunch

(00:21:14) Perplexity reportedly raised $200M at $20B valuation | TechCrunch

Projects & Open Source

(00:22:08) [2509.07604] K2-Think: A Parameter-Efficient Reasoning System

(00:24:31) [2509.09614] LoCoBench: A Benchmark for Long-Context Large Language Models in Complex Software Engineering

Research & Advancements

(00:28:17) [2509.15155] Self-Improving Embodied Foundation Models

(00:31:47) [2509.13805] Towards a Physics Foundation Model

(00:34:26) [2509.12129] Embodied Navigation Foundation Model

Policy & Safety

(00:37:49) Anthropic endorses California’s AI safety bill, SB 53 | TechCrunch

(00:40:12) Warner Bros. Sues Midjourney, Joins Studios’ AI Copyright Battle

(00:42:02) Rolling Stone Publisher Sues Google Over AI Overview Summaries