Archive • Madison's Morning Memo • Buttondown

Notion Bets on Being the Context Layer for Agents, Not the Chat Layer

November 11, 2026

AI PM Research Wednesday, November 11, 2026 Notion Bets on Being the Context Layer for Agents, Not the Chat Layer Notion just told the market it's not trying...

Anthropic's Model Launch and Stripe's One-Week Agent Build

November 10, 2026

AI PM Research Tuesday, November 10, 2026 Anthropic's Model Launch and Stripe's One-Week Agent Build Anthropic shipped two new frontier models (Fable 5.2 and...

Claude Fable 5.2 Ships and Stripe Builds Its Agent on Deep Agents

November 9, 2026

AI PM Research Monday, November 9, 2026 Claude Fable 5.2 Ships and Stripe Builds Its Agent on Deep Agents Anthropic shipped Claude Fable 5.2 and Mythos 5.2...

Perplexity's Teammates, Notion's Agent Bet, and the Vibe Coding Origin Story

November 8, 2026

AI PM Research Sunday, November 8, 2026 Perplexity's Teammates, Notion's Agent Bet, and the Vibe Coding Origin Story Perplexity shipped internal numbers...

Cursor Adds Voice and Live App Hosting; LangChain Ships Async Agents

November 7, 2026

AI PM Research Saturday, November 7, 2026 Cursor Adds Voice and Live App Hosting; LangChain Ships Async Agents Cursor just made two moves that push AI coding...

LangChain's Browser Agent Bet and Meta's Muse Gets a Face

November 6, 2026

AI PM Research Friday, November 6, 2026 LangChain's Browser Agent Bet and Meta's Muse Gets a Face LangChain shipped a real build-vs-buy case study on browser...

Notion Bets the Company on Being Agent Infrastructure

November 5, 2026

AI PM Research Thursday, November 5, 2026 Notion Bets the Company on Being Agent Infrastructure Notion just told you exactly what it thinks the next five...

Notion Rebuilds AI Pricing Around Credits, Not Seats

November 4, 2026

AI PM Research Wednesday, November 4, 2026 Notion Rebuilds AI Pricing Around Credits, Not Seats Notion blew up its own AI pricing model to switch to a credit...

LangChain's Managed Deep Agents Face Their First Real Decisions

November 3, 2026

AI PM Research Tuesday, November 3, 2026 LangChain's Managed Deep Agents Face Their First Real Decisions LangChain shipped three deep-agent updates in two...

Notion's New Credit System and What LangChain Learned Shipping Deep Agents

November 2, 2026

AI PM Research Monday, November 2, 2026 Notion's New Credit System and What LangChain Learned Shipping Deep Agents Notion rebuilt its AI pricing around a...

Instinct's Partnership Blitz Shows What Agent Distribution Actually Looks Like

November 1, 2026

AI PM Research Sunday, November 1, 2026 Instinct's Partnership Blitz Shows What Agent Distribution Actually Looks Like Instinct shipped four partnership...

Notion's Agent Overhaul and the Cost Transparency Shift

October 31, 2026

AI PM Research Saturday, October 31, 2026 Notion's Agent Overhaul and the Cost Transparency Shift Notion rebuilt Notion AI around an internal model-quality...

Notion Rebuilds AI Pricing Around Credits, Not Seats

October 30, 2026

AI PM Research Friday, October 30, 2026 Notion Rebuilds AI Pricing Around Credits, Not Seats Notion rebuilt its AI pricing around a credit system while...

GitHub Universe, Notion's Credit Reset, and Agent Harness Design

October 29, 2026

AI PM Research Thursday, October 29, 2026 GitHub Universe, Notion's Credit Reset, and Agent Harness Design GitHub's Octoverse data shows agent-driven commits...

Lenny's Personal Agent Showdown and GitHub's Agent-Native Developer Data

October 28, 2026

AI PM Research Wednesday, October 28, 2026 Lenny's Personal Agent Showdown and GitHub's Agent-Native Developer Data Lenny ran the first real head-to-head...

Notion's AI Credit System and LangChain's Internal Agent Playbook

October 27, 2026

AI PM Research Tuesday, October 27, 2026 Notion's AI Credit System and LangChain's Internal Agent Playbook Notion rebuilt its entire AI pricing model around...

OpenAI's Work Data, Notion's Agent Credits, and GPT-6.1 Terra

October 26, 2026

AI PM Research Monday, October 26, 2026 OpenAI's Work Data, Notion's Agent Credits, and GPT-6.1 Terra OpenAI published real usage data on how 165 work...

What LangChain's Internal Agents Reveal About Production Harnesses

October 25, 2026

AI PM Research Sunday, October 25, 2026 What LangChain's Internal Agents Reveal About Production Harnesses Harrison Chase laid out the five recurring...

What LangChain's Memory Playbook and Notion's Model Router Teach PMs

October 24, 2026

AI PM Research Saturday, October 24, 2026 What LangChain's Memory Playbook and Notion's Model Router Teach PMs LangChain published a concrete playbook for...

Notion's Credit-Based AI Pricing and the Trust Layer for Agents

October 23, 2026

AI PM Research Friday, October 23, 2026 Notion's Credit-Based AI Pricing and the Trust Layer for Agents Notion rebuilt its AI pricing around a credit system...