LWiAI Podcast #223 - Haiku 4.5, OpenAI DevDay, SB 243

Our 223st episode with a summary and discussion of last week’s big AI news!

Recorded on 10/17/2025

Hosted by Andrey Kurenkov and co-hosted by Erik Schnultz

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

In this episode:

• Anthropic and OpenAI have announced updates to their AI models and tools, including Haiku 4.5 and various business collaborations.

• Multiple companies like Slack and Salesforce are integrating AI assistants and agents into their platforms, enhancing task management and business operations.

• Recent research in reinforcement learning and agent memory curation highlights new methods for improving AI model performance and context management.

• California has passed a law to regulate AI chatbots for children and vulnerable users, and there are rising concerns over the increasing amount of AI-generated content on the internet.

Timestamps:

• (00:00:10) Intro / Banter

• (00:01:31) News Preview

• Tools & Apps

• (00:02:18) Anthropic launches new version of scaled-down ‘Haiku’ model

• (00:04:52) Everything OpenAI announced at DevDay 2025: Agent Kit, Apps SDK, ChatGPT, and more | ZDNET

• (00:09:11) Anthropic turns to ‘skills’ to make Claude more useful at work | The Verge

• (00:13:20) Microsoft launches ‘vibe working’ in Excel and Word | The Verge

• (00:17:22) Google releases Veo 3.1, adds it to Flow video editor | TechCrunch

• (00:19:40) Slack is turning Slackbot into an AI assistant | The Verge

• (00:22:52) Salesforce announces Agentforce 360 as enterprise AI competition heats up | TechCrunch

• Applications & Business

• (00:24:58) Broadcom stock pops 9% on OpenAI custom chip deal, adding to Nvidia and AMD agreements

• (00:27:58) How ByteDance Made China’s Most Popular AI Chatbot | WIRED

• (00:30:08) Amazon’s Zoox Robotaxis Have Arrived In Las Vegas - Here’s What Riders Are Experiencing

• (00:32:43) Waymo’s robotaxis are coming to London | The Verge

• (00:34:14) Reflection AI raises $2B to be America’s open frontier AI lab, challenging DeepSeek | TechCrunch

• (00:35:58) General Intuition lands $134M seed to teach agents spatial reasoning using video game clips | TechCrunch

• (00:38:36) Supabase nabs $5B valuation, four months after hitting $2B | TechCrunch

• Projects & Open Source

• (00:40:58) Neuphonic Open-Sources NeuTTS Air: A 748M-Parameter On-Device Speech Language Model with Instant Voice Cloning - MarkTechPost

• (00:43:06) Anthropic AI Releases Petri: An Open-Source Framework for Automated Auditing by Using AI Agents to Test the Behaviors of Target Models on Diverse Scenarios - MarkTechPost

• Research & Advancements

• (00:44:25) [2510.13786] The Art of Scaling Reinforcement Learning Compute for LLMs

• (00:48:51) [2510.01171] Verbalized Sampling: How to Mitigate Mode Collapse and Unlock LLM Diversity

• (00:51:22) [2510.12635] Memory as Action: Autonomous Context Curation for Long-Horizon Agentic Tasks

• (00:54:31) [2510.07364] Base Models Know How to Reason, Thinking Models Learn When

• (00:57:24) [2510.12402] Cautious Weight Decay

• Policy & Safety

• (01:02:03) California becomes first state to regulate AI companion chatbots | TechCrunch

• (01:04:13) Over 50 Percent of the Internet Is Now AI Slop, New Data Finds

• Synthetic Media & Art

• (01:06:31) OpenAI Reverses Stance on Use of Copyright Works in Sora - WSJ

• (01:08:29) Character.AI removes Disney characters from platform after studio issues warning