{"podcast":{"title":"Last Week in AI","slug":"last-week-in-ai","podcast_index_feed_id":396447,"rss_url":"https://rss.art19.com/last-week-in-ai","website_url":"https://art19.com/shows/last-week-in-ai","image_url":"https://content.production.cdn.art19.com/images/d8/60/88/b2/d86088b2-d713-4824-8483-a985aa7d7f32/e4063a3a93d1635f5b88961b422beb3e4fb4feab7fa085837e15faa5db2703d1830d964620373fcc524cfeee13ef3402821ce39d8fa98fd77271c57a80e7f24d.jpeg","author":"Skynet Today","episode_count":282,"summary":"Weekly summaries of the AI news that matters!","last_synced_at":null,"page_url":"https://stenobird.com/podcast/last-week-in-ai"},"episode":{"title":"#216 - Grok 4, Project Rainier, Kimi K2","slug":"216-grok-4-project-rainier-kimi-k2","published_at":"2025-07-14T14:00:34+00:00","page_url":"https://stenobird.com/podcast/last-week-in-ai/216-grok-4-project-rainier-kimi-k2","show_page_url":"https://stenobird.com/podcast/last-week-in-ai","url":"https://rss.art19.com/episodes/38efc5ec-e30a-46a9-b024-2a5141ab9946.mp3?rss_browser=BAhJIg90cmFuc2NyaWJyBjoGRVQ%3D--952c5701c84ad333c69d5faa668f8177091704f0","audio_url":"https://rss.art19.com/episodes/38efc5ec-e30a-46a9-b024-2a5141ab9946.mp3?rss_browser=BAhJIg90cmFuc2NyaWJyBjoGRVQ%3D--952c5701c84ad333c69d5faa668f8177091704f0","summary":"Our 216th episode with a summary and discussion of last week's big AI news! Recorded on 07/11/2025 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: 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: (00:00:10) Intro / Banter (00:01:02) News Preview Tools &amp; Apps (00:01:59) Elon Musk's xAI launches Grok 4 alongside a $300 monthly subscription | TechCrunch (00:15:28) Elon Musk’s AI chatbot is suddenly posting antisemitic tropes (00:29:52) Perplexity launches Comet, an AI-powered web browser | TechCrunch (00:32:54) OpenAI is reportedly releasing an AI browser in the coming weeks | TechCrunch (00:33:27) Replit Launches New Feature for its Agent, CEO Calls it ‘Deep Research for Coding’ (00:34:40) Cursor launches a web app to manage AI coding agents (00:36:07) Cursor apologizes for unclear pricing changes that upset users | TechCrunch Applications &amp; Business (00:39:10) Lovable on track to raise $150M at $2B valuation (00:41:11) Amazon built a massive AI supercluster for An…","meta_description":"Our 216th episode with a summary and discussion of last week's big AI news! Recorded on 07/11/2025 Hosted by Andrey Kurenkov and Jeremie Harris . Feel fre…","key_points":[],"chapters":[],"topics":[],"duration_seconds":6130,"processing_state":"processed","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/last-week-in-ai/episodes/216-grok-4-project-rainier-kimi-k2/transcription-requests","description":"Idempotently request low-priority transcript generation for this episode."},{"name":"read_markdown","method":"GET","url":"https://stenobird.com/podcast/last-week-in-ai/216-grok-4-project-rainier-kimi-k2.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}