#221 - OpenAI Codex, Gemini in Chrome, K2-Think, SB 53 - Last Week in AI Recap

Podcast: Last Week in AI

Published: 2025-10-07

Duration: 47 min

Guests: Michelle Li

Summary

The episode covers recent developments in AI with a focus on tools like OpenAI Codex, Google's integration of Gemini into Chrome, and new funding rounds for AI startups. It also discusses regulatory updates with California's AI safety bill.

What Happened

OpenAI's Codex has received an upgrade with the introduction of GPT-5 Codex, enhancing its capabilities for coding tasks. This move positions OpenAI to better compete with Anthropic's Cloud Code, which has been a preferred tool among developers. Google's Gemini has been integrated into Chrome, aligning with the trend of embedding AI chatbots into web browsers. This integration aims to bring AI-driven tasks directly to users' browsing experiences.

Anthropic has introduced a feature in Cloud that allows the creation of spreadsheets and PDFs, showcasing the growing capabilities of AI tools in handling complex document tasks. This feature is part of a broader trend where AI tools are increasingly being integrated into everyday software applications. Figure.ai has made headlines by securing over $1 billion in committed capital, underscoring the continued investment interest in humanoid robotics startups. Similarly, China's Unitree is planning an IPO, reflecting the global interest in robotics.

Tesla's robotaxi is set to test in Nevada, though it's facing scrutiny over reported accidents in Austin that led to an investigation by the NHTCA. Meanwhile, Amazon's Zoox has launched a public robotaxi service in Las Vegas, using its unique vehicle design that eliminates traditional steering wheels. These developments highlight the rapid advancements and challenges in the autonomous vehicle sector.

In the realm of AI policy, Anthropic has endorsed California's AI safety bill SB 53, which focuses on regulating companies involved in advanced AI models. This endorsement signifies a shift towards more proactive AI governance. On the legal front, Warner Bros. has filed a lawsuit against Midjourney for copyright violations, reflecting ongoing tensions between AI-generated content and intellectual property rights.

Google is also under legal scrutiny as Rolling Stones sues them over AI-generated summaries that potentially reduce traffic to publishers' websites. This lawsuit highlights the complexities and potential financial impacts of AI technologies on traditional media. Meanwhile, Replit and Perplexity have both raised significant funding rounds, showcasing the robust investment climate for AI companies.

The episode also discussed new benchmarks and models in AI research, including K2Think, a reasoning model, and LocoBench, a benchmark for evaluating AI's ability to handle long-context tasks in software engineering. These advancements demonstrate the ongoing efforts to enhance AI's technical capabilities and its application across various domains.

Key Insights