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Subvolts take OpenAI's GPT-5.2 arrives, Disney invests big, and agent systems face scaling hurdles. Dec 17, 2025
For you
Developers
Learn about OpenAI's latest model capabilities and challenges in scaling AI agent systems.
Business
Understand strategic AI investments, new hardware regulations, and how AI is impacting media content creation.
Everyday users
Stay informed on advancements in AI models and how they might affect future applications you use.
Hype note
3/5Notable

This episode discusses significant AI model updates, major industry investments, and evolving government regulations impacting AI development.

Last Week in AI
Last Week in AI · Ep 268 Episode

#228 - GPT 5.2, Scaling Agents, Weird Generalization

1 h 27 News roundup Hosts: Andrey Kurenkov, Jeremie Harris
0:001:26:42

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From Subvolts

Summary and analysis by Subvolts editorial, AI-assisted.

Summary

Andrey Kurenkov and Jeremie Harris host Last Week in AI episode #228, discussing OpenAI's GPT-5.2 with improved multimodal abilities but higher costs and a new knowledge cutoff. The episode covers Disney's $1 billion investment in OpenAI for content generation, new U.S. AI chip export rules, and DeepMind's research on scaling multi-agent systems.

Explained simply

This episode covers OpenAI's new AI model, GPT-5.2, which is smarter but costs more. It also discusses a major investment by Disney in OpenAI and new government rules for AI computer chips. You'll learn about the latest in AI development and how big companies are using it.

Why listen

This episode is for AI practitioners and industry watchers tracking frontier model development and strategic investments. It connects to current trends by highlighting OpenAI's continued model iteration, the growing intersection of AI and media licensing, and government efforts to manage AI hardware. DeepMind's research adds context to the challenges of building more capable AI agents, a key focus for labs like Google and Meta.

On the mic
  • HostAndrey Kurenkov
  • HostJeremie Harris
About
OpenAIGoogleMicrosoftMetaxAIAnthropicModelsFundingPolicyResearch
Key facts
  • Episode Title: #228 - GPT 5.2, Scaling Agents, Weird Generalization
  • Show: Last Week in AI
  • Length: 87 minutes
  • GPT-5.2 Details: Improved performance, enhanced multi-modal capabilities, increased costs, different knowledge cutoff.
  • Disney Investment: $1 billion in OpenAI for character content generation.
  • U.S. AI Chip Rules: New export rules involving security reviews.
Show notes from Skynet Today

Our 228th episode with a summary and discussion of last week's big AI news!

Recorded on 12/12/2025

Hosted by Andrey Kurenkov and Jeremie Harris

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's latest model GPT-5.2 demonstrates improved performance and enhanced multi-modal capabilities but comes with increased costs and a different knowledge cutoff date.
  • Disney invests $1 billion in OpenAI to generate Disney character content, creating unique licensing agreements across characters from Marvel, Pixar, and Star Wars franchises.
  • The U.S. government imposes new AI chip export rules involving security reviews, while simultaneously moving to prevent states from independently regulating AI.
  • DeepMind releases a paper outlining the challenges and findings in scaling multi-agent systems, highlighting the complexities of tool coordination and task performance.


Timestamps:

Jargon decoded
multi-modal
Andrey Kurenkov
Able to understand and generate different types of information, like text, images, and sound.
agentic AI
Jeremie Harris
AI systems designed to perform tasks autonomously, like a digital assistant.
world model
N/A
An AI system that tries to understand and predict how the real world works.
Published
Show
Last Week in AI · Skynet Today
Length
1 h 27
Companies
OpenAI, Google, Microsoft, Meta, xAI, Anthropic
Products
GPT-5.2, ChatGPT
Summary by
Subvolts, using an AI model (how we work). Spotted a mistake? Tell us.
#Models#Funding#Policy#Research

Best of Last Week in AI

More on OpenAI this week

Questions people ask

What are the key features of GPT-5.2?
GPT-5.2 shows improved performance and enhanced multi-modal capabilities, but it comes with increased costs and a different knowledge cutoff date.
What is the significance of Disney's investment in OpenAI?
Disney invested $1 billion in OpenAI to generate content featuring Disney characters, establishing unique licensing agreements across franchises like Marvel and Star Wars.

Page generated Oct 19, 2026. Summaries are Subvolts' own; the audio, artwork and notes belong to Skynet Today.