Archive - Product Market Fit

How Alexandr Wang Built a $29 Billion AI Giant (+ Pitch Deck)

The First-Principles Test That Built a $29 Billion Company, the Conviction Playboo and the Agentic Loop That Beats 100 Engineers

14 hrs ago • Guillermo Flor

1X Pitch Deck: The Humanoid Backed by OpenAI

How 1X is Building the First Remote Physical Labor Infrastructure and Why This Might be One of the Strongest Robotics Decks Ever Made

Jul 29 • Guillermo Flor

Claude for Finance: The Opus 5 Skill Stack

The Skills that Turn Opus 5 Into the Finance Team a Founder Never Hired

Jul 28 • Guillermo Flor

Y Combinator AI Startup School 2026

30,000 applied. 6,000 got in. Here’s everything they heard.

Jul 27 • Guillermo Flor

How Replit Hit $253M ARR in One Year

Why the CEO Behind a 24x Revenue Jump Refuses to Track ARR, and The 6 Moves that Actually Drove the Run

Jul 24 • Guillermo Flor

How to Run ElevenLabs’ $500M GTM Playbook With Claude

Carles Reina's Rules That Scaled ElevenLabs to $500M (Rebuilt as Claude Agents)

Jul 23 • Guillermo Flor

How to Get Into YC: The Full F26 Application Pack

Proven Strategies, Accepted Applications and Two Claude Skills to Nail Yours

Jul 22 • Guillermo Flor

Kimi K3: The Full Developer Guide

The AI Agent That Can Work for an Hour Without Stopping

Jul 21 • Guillermo Flor

From Loops to Graphs: The Founder’s Playbook for Self-Improving AI Agents

Why the Feedback Loop that Built your Product is The Same One that Will Wreck It

Jul 20 • Guillermo Flor

Masterclass from Kimi founder "How Agent Swarms and AI systems actually work at scale"

The Founder of a $20B AI Company Just Explained What Comes After Bigger Models

Jul 19 • Guillermo Flor

The 10 Fundraising Templates for Founders

The 10 Templates and Databases That Matter and The Claude Second Brain That Reads All of Them at Once

Jul 17 • Guillermo Flor

The Skill That Finds Your First 10 Customers

How to Run an Open-Source Prospecting Skill Inside Claude and Turn it Into a Morning Radar that Fills an Outreach Queue for You

Jul 16 • Guillermo Flor

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