Vibe Coding vs Spec-Driven Prompting: Which Gets You to Production Faster?

Published June 4, 2026

Share

When building with Claude, Replit, Emergent, or Bolt.new, how you prompt matters as much as which platform you pick. Two approaches dominate: vibe coding (describe the feel) and spec-driven prompting (write an engineering ticket). Here is what Laroma AI learned from real builds.

  1. #1

    Vibe Coding — the creative approach

    Best for: Early exploration, mood boards, and when stakeholders know what feels wrong but not what they want structurally.

    Pros

    • Fast to start — describe the aesthetic and emotional target
    • Good for non-technical founders who think in outcomes, not components
    • Works well for first drafts of marketing pages and UI concepts

    Cons

    • More iteration rounds — more almost, but... feedback loops
    • Higher total token spend across revisions
    • Harder to hand off to another builder or platform

    Laroma AI example

    Prompt: Can you build a sick pricing section for my AI startup? 3 tiers (Hobby, Pro, Enterprise), dark mode, make Pro stand out with a glow. Super premium and Apple-like.

  2. #2

    Spec-Driven Prompting — the engineering approach

    Best for: Production internal tools, portals, mobile apps, and anything that must ship with predictable structure.

    Pros

    • Treat the prompt like an engineering ticket — fewer surprises
    • Fewer iterations, fewer tokens overall, fewer almost-but rounds
    • Laroma testing: ~65% fewer total tokens and ~70% faster time-to-ship

    Cons

    • Requires you to know what you want structurally upfront
    • Less magical on the first render — more precise

    Laroma AI example

    Prompt: Create a PricingSection React component using Tailwind CSS. Accept an array of { name, price, features[], isPopular }. Render 3 cards in grid-cols-3. If isPopular, apply scale-105 border-indigo-500. Use bg-slate-900 + text-slate-50. Buttons need hover + transition-all duration-300.

The longer, spec-driven prompt is usually the cheaper one. Laroma AI defaults to spec-driven prompting for client builds on Replit, Emergent, Vercel, and Supabase — vibe coding for discovery, specs for production. Book a free AI audit and we will help you write the spec before the first line of code.

Laroma AI

Boutique AI advisory & consulting for small businesses. Custom internal tools on Replit, Bolt.new, Emergent, and custom portals — vendor-neutral, a la carte.

© 2026 Laroma AI · North Vancouver, BC

Made with care in the Pacific Northwest.

Book 30 min directly