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Shownotes
Our 216th episode with a summary and discussion of last week's big AI news!
Recorded on 07/11/2025
Hosted by Andrey Kurenkov (twitter.com/andrey_kurenkov) and Jeremie Harris (twitter.com/jeremiecharris).
Feel free to email us your questions and feedback at contact@lastweekinai.comand/or hello@gladstone.ai
Read out our text newsletter and comment on the podcast at lastweekin.ai.
In this episode:
• xAI launches Grok 4 with breakthrough performance across benchmarks, becoming the first true frontier model outside established labs, alongside a $300/month subscription tier
• Grok's alignment challenges emerge with antisemitic responses, highlighting the difficulty of steering models toward "truth-seeking" without harmful biases
• Perplexity and OpenAI launch AI-powered browsers to compete with Google Chrome, signaling a major shift in how users interact with AI systems
• Meta study reveals AI tools actually slow down experienced developers by 20% on complex tasks, contradicting expectations and anecdotal reports of productivity gains
Timestamps + Links:
• () Intro / Banter
• () News Preview
Tools & Apps
• () Elon Musk's xAI launches Grok 4 alongside a $300 monthly subscription | TechCrunch (techcrunch.com/2025/07/09/elon-musks-xai-launc…)
• () Elon Musk’s AI chatbot is suddenly posting antisemitic tropes (cnn.com/2025/07/08/tech/grok-ai-antisemitism)
• () Perplexity launches Comet, an AI-powered web browser | TechCrunch (techcrunch.com/2025/07/09/perplexity-launches-…)
• () OpenAI is reportedly releasing an AI browser in the coming weeks | TechCrunch (techcrunch.com/2025/07/09/openai-is-reportedly…)
• () Replit Launches New Feature for its Agent, CEO Calls it ‘Deep Research for Coding’ (analyticsindiamag.com/ai-news-updates/replit-l…)
• () Cursor launches a web app to manage AI coding agents (techcrunch.com/2025/06/30/cursor-launches-a-we…)
• () Cursor apologizes for unclear pricing changes that upset users | TechCrunch (techcrunch.com/2025/07/07/cursor-apologizes-fo…)
Applications & Business
• () Lovable on track to raise $150M at $2B valuation (techcrunch.com/2025/07/02/lovable-on-track-to-…)
• () Amazon built a massive AI supercluster for Anthropic called Project Rainier – here's what we know so far (theregister.com/2025/07/04/project_rainier_dee…)
• () Elon Musk confirms xAI is buying an overseas power plant and shipping the whole thing to the U.S. to power its new data center — 1 million AI GPUs and up to 2 Gigawatts of power under one roof, equivalent to powering 1.9 million homes (tomshardware.com/tech-industry/artificial-inte…)
• () Microsoft's own AI chip delayed six months in major setback — in-house chip now reportedly expected in 2026, but won't hold a candle to Nvidia Blackwell (tomshardware.com/tech-industry/semiconductors/…)
• () Ilya Sutskever becomes CEO of Safe Superintelligence after Meta poached Daniel Gross (cnbc.com/2025/07/03/ilya-sutskever-is-ceo-of-s…)
• () OpenAI’s Stock Compensation Reflect Steep Costs of Talent Wars (theinformation.com/articles/openais-stock-comp…)
Projects & Open Source
• () Hugging Face Releases SmolLM3: A 3B Long-Context, Multilingual Reasoning Model - MarkTechPost (marktechpost.com/2025/07/08/hugging-face-relea…)
• () Kimi K2: Open Agentic Intelligence (moonshotai.github.io/Kimi-K2)
• () Kyutai Releases 2B Parameter Streaming Text-to-Speech TTS with 220ms Latency and 2.5M Hours of Training (marktechpost.com/2025/07/05/kyutai-releases-2b…)
Research & Advancements
• () Does Math Reasoning Improve General LLM Capabilities? Understanding Transferability of LLM Reasoning (arxiv.org/abs/2507.00432v1)
• () Measuring the Impact of Early-2025 AI on Experienced Open-Source Developer Productivity (metr.org/blog/2025-07-10-early-2025-ai-experie…)
• () Mitigating Goal Misgeneralization with Minimax Regret (arxiv.org/abs/2507.03068)
• () Correlated Errors in Large Language Models (arxiv.org/abs/2506.07962v1)
• () What skills does SWE-bench Verified evaluate? (epoch.ai/blog/what-skills-does-swe-bench-verif…)
Policy & Safety
• () Evaluating Frontier Models for Stealth and Situational Awareness (arxiv.org/abs/2505.01420)
• () When Chain of Thought is Necessary, Language Models Struggle to Evade Monitors (arxiv.org/abs/2507.05246)
• () Why Do Some Language Models Fake Alignment While Others Don't? (arxiv.org/abs/2506.18032)
• () Positive review only': Researchers hide AI prompts in papers (asia.nikkei.com/Business/Technology/Artificial…)
• () Google faces EU antitrust complaint over AI Overviews (techcrunch.com/2025/07/05/google-faces-eu-anti…)
• () The transfer of user data by DeepSeek to China is unlawful': Germany calls for Google and Apple to remove the AI app from their stores (pcgamer.com/software/ai/the-transfer-of-user-d…)
• () Virology Capabilities Test (VCT): A Multimodal Virology Q&A Benchmark (arxiv.org/abs/2504.16137)
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