Last Week in AI7 Okt 2025

#222 - Sora 2, Sonnet 4.5, Vibes, Thinking Machines

Our 222st episode with a summary and discussion of last week's big AI news!

Recorded on 10/03/2025

Hosted by Andrey Kurenkov and co-hosted by Jon Krohn

Feel free to email us your questions and feedback at contact@lastweekinai.com and/or hello@gladstone.ai

Read out our text newsletter and comment on the podcast at https://lastweekin.ai/

In this episode:

OpenAI introduced several new features, including SOA 2 for text-to-video generation, Claude Sonnet 4.5 for coding and agentic tasks, and the pulse feature for personalized morning briefs.
Meta launched a new AI video creation feature called Vibes in its Meta AI app and on meta.ai, facing mixed reactions from the public regarding AI-generated content.
California's SB 53, the Transparency in Frontier AI Act, has become law, requiring large AI companies to disclose safety and security processes, while SB 942 mandates AI detection tools for user-generated content.
AI regulations and industry dynamics, including battles over intellectual property, startup funding, and the integration of AI into everyday tools and services like Microsoft's AI agents for Word, Excel, and PowerPoint.

In this episode:

(00:00:10) Intro / Banter
(00:03:08) News Preview
(00:03:56) Response to listener comments

Applications & Business
(00:42:41) OpenAI takes on Google, Amazon with new agentic shopping system | TechCrunch
(00:46:01) Exclusive: Mira Murati’s Stealth AI Lab Launches Its First Product | WIRED
(00:49:54) OpenAI is the world's most valuable private company after private stock sale | TechCrunch
(00:53:07) Elon Musk’s xAI accuses OpenAI of stealing trade secrets in new lawsuit | Technology | The Guardian
(00:55:40) Former OpenAI and DeepMind researchers raise whopping $300M seed to automate science | TechCrunch

Projects & Open Source
(00:58:26) [2509.16941] SWE-Bench Pro: Can AI Agents Solve Long-Horizon Software Engineering Tasks?

Research & Advancements
(01:01:28) [2509.17196] Evolution of Concepts in Language Model Pre-Training
(01:05:36) [2509.19284] What Characterizes Effective Reasoning? Revisiting Length, Review, and Structure of CoT
Lighting round
(01:09:37) [2507.02954] Advanced Financial Reasoning at Scale: A Comprehensive Evaluation of Large Language Models on CFA Level III
(01:12:03) [2509.24552] Short window attention enables long-term memorization

Policy & Safety
(01:18:11) SB 53, the landmark AI transparency bill, is now law in California | The Verge
(01:24:07) Elon Musk's xAI offers Grok to federal government for 42 cents | TechCrunch
(01:25:23) Character.AI removes Disney characters from platform after studio issues warning
(01:28:50) Spotify's Attempt to Fight AI Slop Falls on Its Face

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

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