Notes on building.
Guides on mobile apps, web platforms and AI products. Cost breakdowns, stack comparisons and how we ship.
DSPy vs Instructor vs Outlines: Structured LLM Output 2026
Three Python libraries, three completely different philosophies for getting structured data out of LLMs. Here is how DSPy, Instructor, and Outlines actually compare when you ship them to production.
Technology · Jun 25, 2026 · 14 min read
Vercel v0 vs Replit Agent vs Firebase Studio: AI Dev Tools 2026
Three platforms promise to let you build apps with AI, but they take fundamentally different approaches. v0 generates UI components, Replit builds full apps, and Firebase Studio wires up backends. Here is where each one actually delivers.
Technology · Jun 25, 2026 · 14 min read
OpenAI Codex vs Claude Code vs Gemini Code Assist in 2026
Three AI coding tools, three radically different architectures: a cloud sandbox, a local CLI agent, and an IDE plugin. Here is an honest breakdown of which one actually fits your workflow.
Technology · Jun 23, 2026 · 15 min read
How to Build for AI Agents: Machine-Readable APIs and MCP
Your API was built for humans. AI agents need something different: structured responses, discoverable schemas, clear error semantics, and MCP-compatible tool surfaces. Here is how to build for both.
Technology · Jun 23, 2026 · 14 min read
Headless Commerce vs Shopify vs Custom: Which to Choose 2026
Three commerce architectures, three very different tradeoffs. This guide cuts through the noise on headless commerce, Shopify, and fully custom builds so you can make the right call for your business in 2026.
Technology · Jun 22, 2026 · 14 min read
AI Agents for ERP: How Agents Are Replacing Enterprise Software
Monolithic ERP systems built for a different era are losing ground to AI agents that handle AP/AR, procurement, HR workflows, and reporting without the seven-figure licensing bills. Here is a clear-eyed look at which ERP functions agents replace first, how the architecture works, and what it actually costs to make the switch.
Technology · Jun 22, 2026 · 14 min read
On-Device AI vs Cloud AI for Mobile Apps: 2026 Decision Guide
Apple Intelligence, Gemini Nano, and Qualcomm's NPUs changed the calculus for mobile AI in 2026. Here is how to decide between on-device and cloud AI, and when a hybrid approach is the only sensible answer.
Technology · Jun 22, 2026 · 14 min read
React Native + On-Device AI: Building LLM-Powered Mobile Apps
On-device LLMs are no longer a research project. In 2026 you can run Phi-3 or Gemma 2B on a mid-range Android and get 20+ tokens per second. Here is how to wire that into a React Native app that actually ships.
Technology · Jun 22, 2026 · 14 min read
SaaS Unit Economics Guide: Metrics Every Founder Should Track
Revenue is vanity. Unit economics are sanity. This guide covers every metric that actually determines whether your SaaS business is healthy or quietly dying, with benchmarks for every stage from seed to Series B.
Technology · Jun 22, 2026 · 14 min read
Vercel AI SDK vs LangChain vs Mastra: AI Framework Comparison
Picking an AI framework in 2026 is not a trivial decision. Vercel AI SDK, LangChain, and Mastra each make different bets on architecture. Here is how to choose the right one for your stack.
Technology · Jun 22, 2026 · 14 min read
Session Replay vs Heatmaps vs Product Analytics: What to Use
Session replays, heatmaps, and product analytics answer fundamentally different questions about your users. Here is how to pick the right tool for your stage, budget, and goals.
Technology · Jun 18, 2026 · 14 min read
Edge Functions vs Serverless vs Containers: Where to Run Code
Your code has to run somewhere. Choosing between edge functions, serverless, and containers determines your latency, costs, and operational complexity for years to come.
Technology · Jun 18, 2026 · 14 min read