The 2026 Startup Tech Stack Guide

A no-nonsense guide to picking the right tech stack for your startup in 2026. Frontend, backend, database, auth, payments, hosting — with real recommendations based on your app type.

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Stack recommendations by app type (SaaS, marketplace, mobile, AI)

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Comparison: Next.js vs Remix vs Nuxt vs Astro

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React Native vs Flutter — when to pick each

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Supabase vs Firebase vs PlanetScale — real comparison

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AI stack: OpenAI vs Anthropic vs Gemini routing strategy

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Cost breakdown at different scale levels

12 pages·For Technical founders and CTOs·100% free

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The 2026 Startup Tech Stack Guide

Which stack for which app — no tribal wars

What's inside

✓Chapter 1: The default stack (Next.js + Supabase + Stripe)
✓Chapter 2: When to go React Native vs Flutter
✓Chapter 3: Choosing your AI provider in 2026
✓Chapter 4: Cost per stack at 1K, 10K, 100K users
✓Chapter 5: Stack anti-patterns to avoid

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