Show HN: I built my marketing site in a weekend with Claude Code

Claude 3.5 Sonnet: The AI‑First Web Development Engine of 2026 { "@context": "https://schema.org", "@type": "Article", "headline": "Claude 3.5 Sonnet: The AI‑First Web Development Engine of 2026", "datePublished": "2026-01-04", "author": { "@type": "Person", "name": "Alexei Vostokov" } } body{font-family:sans-serif;line-height:1.65;margin:0;padding:2rem;} h1,h2{margin-top:1.5rem;} table{width:100%;border-collapse:collapse;margin:1rem 0;} th,td{text-align:left;border-bottom:1px solid #ccc;padding:.5rem;} code{background:#f4f4f4;padding:.2rem .4rem;border-radius:3px;} ul,ol{margin-left:1.8rem;} a{color:#0066cc;text-decoration:none;} a:hover{text-decoration:underline;} Claude 3.5 Sonnet: The AI‑First Web Development Engine of 2026 Claude 3.5 Sonnet is not just another large language model; it’s a full‑stack coding agent that lets founders spin up production‑ready marketing sites in hours, not weeks. By marrying a 200K token context window with a safety‑rated architecture, the tool turns natural‑language prompts into executable code, automated tests, and Git commits—all while staying under the $3 per million input‑token price point. For technical decision makers, understanding how Claude 3.5 Sonnet AI coding tool reshapes token economics, developer workflows, and venture capital dynamics is essential. This article dives deep into those angles, offering a practical roadmap for 2026 startups and a forecast of where the industry will head next. Table of Contents Executive Snapshot Strategic Business Implications of AI‑First Web Development Token Economics vs Traditional Cloud Bills Technical Implementation Guide for Founders Risk & Safety: Why ASL‑2 Matters Market Analysis: Venture Capital Flow in 2026 Scaling Considerations: From Prototype to Production Future Outlook: Claude 4.x and Beyond Actionable Recommendations for Founders & Product Leaders Conclusion: The New Engine for Startup Growth Executive Snapshot Speed & Cost Advantage: Claude 3.5 Sonnet processes requests