Last Week in AI

#219 - GPT 5, Opus 4.1, OpenAI's Open Source, Astrocade

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Our 219th episode with a summary and discussion of last week's big AI news!

Recorded on 08/08/2025

Check out Andrey's work over at Astrocade , sign up to be an ambassador here

Hosted by Andrey Kurenkov and Jeremie Harris.

Feel free to email us your questions and feedback at [email protected] and/or [email protected]

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

In this episode:

  • OpenAI reveals GPT-5, a consolidated model combining all previous versions, marking notable improvements and introducing a new infrastructure and product update.
  • Multiple major releases from leading AI labs, including OpenAI, Anthropic, and Google reflect the ongoing competitive landscape with significant business updates and new model capabilities.
  • Discussions on geopolitical influences in AI development highlight China’s evolving stance on AI safety and governance, contrasting with U.S. approaches and raising concerns over export bans and international cooperation.
  • Papers from leading AI entities such as OpenAI and Anthropic delve into the complexities of AI alignment and safety, proposing new methodologies for auditing and mitigating risks in model behaviors.

    • Timestamps + Links:

    • (00:00:10) Intro / Banter
    • (00:02:14) Plug: Astrocade rolls out AI agent-powered game creation experience so anyone can create games
    • Tools & Apps
      • (00:03:07) OpenAI’s GPT-5 is here
      • (00:17:02) Anthropic Releases Claude Opus 4.1 With Agentic, Coding and Reasoning Upgrades
      • (00:21:06) Google rolls out Gemini Deep Think AI, a reasoning model that tests multiple ideas in parallel | TechCrunch
      • (00:24:04) Grok Imagine, xAI’s new AI image and video generator, lets you make NSFW content | TechCrunch
        • Applications & Business
          • (00:26:35) Meta, Microsoft stocks rise on strong earnings and AI spending boom
          • (00:29:17) OpenAI to Establish Stargate Norway With 230MW Data Center - Bloomberg
          • (00:32:12) Anthropic Revenue Pace Nears $5 Billion in Run-Up to Mega Round — The Information
          • (00:37:18) OpenAI Hits $12 Billion Annualized Revenue
          • (00:40:06) Noma Security raises $100 million to defend against AI agent vulnerabilities | Ctech
            • Projects & Open Source
              • (00:42:13) OpenAI Just Released Its First Open-Weight Models Since GPT-2
              • (00:53:13) Falcon-H1: A Family of Hybrid-Head Language Models Redefining Efficiency and Performance
              • (00:57:39) Meta CLIP 2: A Worldwide Scaling Recipe
              • (01:01:12) BFL and Krea release FLUX.1 Krea: Open image model designed for realism
                • Research & Advancements
                  • (01:02:33) Google’s Newest AI Model Acts like a Satellite to Track Climate Change | WIRED
                  • (01:04:50) Google’s new AI model creates video game worlds in real time
                  • (01:10:55) AlphaGo Moment for Model Architecture Discovery
                  • (01:17:22) METR evaluates Grok 4
                    • Policy & Safety
                      • (01:20:05) Estimating Worst-Case Frontier Risks of Open-Weight LLMs
                      • (01:23:14) Anthropic's AI 'Vaccine': Train It With Evil to Make It Good - Business Insider
                      • (01:27:26) Anthropic unveils 'auditing agents' to test for AI misalignment | VentureBeat
                      • (01:28:31) Optimizing The Final Output Can Obfuscate CoT (Research Note)
                      • (01:31:23) Why China isn’t about to leap ahead of the West on compute
                      • (01:33:15) Inside the Summit Where China Pitched Its AI Agenda to the World | WIRED
                      • (01:38:47) Nvidia H20 GPUs reportedly caught up in U.S. Commerce Department's worst export license backlog in 30 years — billions of dollars worth of GPUs and other products in limbo due to staffing cuts, communication issues | Tom's Hardware
                        • (01:42:35) Response to listener comments

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