{"slug": "i-built-an-ai-seo-brief-generator-that-compares-3-models-side-by-side-here-s-the", "title": "I Built an AI SEO Brief Generator That Compares 3 Models Side-by-Side — Here's the Architecture", "summary": "A developer built an AI-powered SEO content brief generator, seobrief.cc, that compares three large language models side-by-side. The tool uses Next.js 16, Supabase, Stripe, and Vercel, and runs DeepSeek, Qwen, and Moonshot in parallel to produce a brief in about 30 seconds.", "body_md": "I spent 3 months building an SEO content brief generator, and I wanted to share the technical architecture with the dev.to community.\n\nSEO content briefs are the pre-writing research phase for blog posts — you analyze the SERP, figure out search intent, outline the article structure, and suggest metadata. Most people do this manually, spending 1-2 hours per article.\n\n[seobrief.cc](https://seobrief.cc) — keyword in, complete brief out in ~30 seconds.\n\n**Frontend:** Next.js 16 + Tailwind v4 + React Server Components\n\n**Backend:** Next.js API routes (edge-compatible)\n\n**Database/Auth:** Supabase (Postgres + Auth + Row Level Security)\n\n**Payments:** Stripe Checkout (subscription)\n\n**AI:** 3 LLMs running in parallel:\n\n**Hosting:** Vercel (production), with `@vercel/analytics`\n\nfor traffic\n\n```\ntypescript\n// Simplified — the actual route calls 3 providers in parallel\nconst [deepseek, qwen, moonshot] = await Promise.allSettled([\n  generateBrief(keyword, 'deepseek'),\n  generateBrief(keyword, 'qwen'),\n  generateBrief(keyword, 'moonshot'),\n]);\n\n// Score each result, return all 3 + recommendation\nconst results = [deepseek, qwen, moonshot]\n  .filter(r => r.status === 'fulfilled')\n  .map(r => ({ ...r.value, score: scoreBrief(r.value) }));\n\nreturn { results, recommended: results.sort((a, b) => b.score - a.score)[0] };\n```\n\n", "url": "https://wpnews.pro/news/i-built-an-ai-seo-brief-generator-that-compares-3-models-side-by-side-here-s-the", "canonical_source": "https://dev.to/keywxh/i-built-an-ai-seo-brief-generator-that-compares-3-models-side-by-side-heres-the-architecture-4he9", "published_at": "2026-06-15 02:53:39+00:00", "updated_at": "2026-06-15 03:11:26.737120+00:00", "lang": "en", "topics": ["artificial-intelligence", "large-language-models", "ai-tools", "developer-tools"], "entities": ["seobrief.cc", "Next.js", "Supabase", "Stripe", "Vercel", "DeepSeek", "Qwen", "Moonshot"], "alternates": {"html": "https://wpnews.pro/news/i-built-an-ai-seo-brief-generator-that-compares-3-models-side-by-side-here-s-the", "markdown": "https://wpnews.pro/news/i-built-an-ai-seo-brief-generator-that-compares-3-models-side-by-side-here-s-the.md", "text": "https://wpnews.pro/news/i-built-an-ai-seo-brief-generator-that-compares-3-models-side-by-side-here-s-the.txt", "jsonld": "https://wpnews.pro/news/i-built-an-ai-seo-brief-generator-that-compares-3-models-side-by-side-here-s-the.jsonld"}}