Raj Patel
AI & Infrastructure at Signal
Ex-Google Brain, ex-Scale AI. Writes about the infrastructure layer of AI products: the boring parts that determine whether a feature ships or stalls in staging for six months.
Articles by Raj Patel
- The Activation Gap: Why 73% of AI Features Die After Week Two — Jan 29, 2026
- Tiny Teams Are Outshipping 200-Person Startups. Here's the Playbook. — Nov 22, 2025
- The Bootstrapped AI Startup Is the Most Dangerous Company in the Room — Nov 7, 2025
- AI Agents Don't Make Money Yet. The Math Is Worse Than You Think. — Jan 22, 2026
- Nvidia's Real Moat Isn't Hardware — It's CUDA Lock-In — Mar 9, 2026
- How Cursor Hit $2B ARR Faster Than Any SaaS Company in History — And What It Means for AI-Native Distribution — Mar 9, 2026
- The AI Wrapper Is Dead. Long Live Workflow State. — Why 90% of AI Startups Failed and What the Survivors Built Instead — Mar 9, 2026
- The Second-Mover Playbook: How Vertical AI Clones Are Quietly Outgrowing Pioneers — Mar 9, 2026
- The AI Middleware Tax: LangChain, Pinecone, and the Hidden Rent-Seeking Layer in Every AI App — Mar 9, 2026
- DeepSeek Spent $5.6M Training a Model That Rivals GPT-4. The AI Cost Curve Just Broke. — Mar 9, 2026
- Perplexity Is Eating Google's Lunch — One Answer at a Time — Mar 9, 2026
- The Robotics Renaissance: Why 2026 Is the Year Humanoids Got Real — Mar 9, 2026
- The GPU Rental Arbitrage: CoreWeave Hit $50 Billion by Reselling Nvidia's Chips. The Margins Are Not What You Think. — Mar 9, 2026
- The Great AI Inference Migration: Why Every Company Is Switching Models Every 90 Days — Mar 10, 2026
- Nobody's Talking About the Nvidia Resale Market — Mar 13, 2026
Browse all articles | About Signal