Comparison

v0 vs Bolt.new

v0 by Vercel vs StackBlitz's Bolt.new in 2026: two browser-based AI app builders compared. Outputs, hosting, model, who wins for prototypes vs production.

Short answer

v0 (Vercel) generates React + Tailwind UI components from prompts, with Vercel hosting baked in. Bolt.new (StackBlitz) generates and runs full web apps in WebContainer right in the browser tab. Pick v0 for UI components destined for production; pick Bolt for instant interactive demos and full-app prototypes that run client-side.

v0 by Vercel

Vercel

AI-generated React + Tailwind UI components

Best for: Designers and devs generating production-grade UI components destined for a Vercel + Next.js stack.

Visit v0 by Vercel →

Bolt.new

StackBlitz

Full web apps running in WebContainer in your browser

Best for: Rapid prototyping of full-stack web apps with instant in-browser runtime.

Visit Bolt.new →

Feature comparison

Output

v0 by VercelReact + Tailwind components
Bolt.newFull-stack web app (Next.js / Vite + DB)

Runtime

v0 by VercelGenerated code, paste / clone
Bolt.newEdgeLive in browser via WebContainer

Hosting

v0 by VercelVercel-bundled
Bolt.newStackBlitz / GitHub export

Stack

v0 by VercelNext.js + Tailwind + shadcn
Bolt.newNext.js + Vite + Tailwind + SQLite

Default model

v0 by VercelCustom (Vercel-trained)
Bolt.newCustom (StackBlitz-trained)

Production-ready output

v0 by VercelEdgeHigh, components ship
Bolt.newMedium, prototypes need polish

Free tier

v0 by VercelGenerous
Bolt.newGenerous

Best for

v0 by VercelComponent generation
Bolt.newFull-app prototyping

Pick v0 by Vercel when

  • →You want production-grade UI components
  • →You're on Vercel + Next.js + shadcn
  • →You want the cleanest output to paste into a repo
  • →You value Vercel's hosting integration

Pick Bolt.new when

  • →You want full-app prototypes with a live runtime
  • →You're prototyping for demos or stakeholder reviews
  • →You want SQLite + backend included by default
  • →You value the 'live in browser' instant-iteration experience

Verdict

v0 is the right pick for production UI components destined for a Vercel + Next.js stack. Bolt.new is the right pick for instant interactive prototypes where the entire app runs in the browser tab. They're complementary, many teams use Bolt for the spike and graduate the components to v0 + Vercel for production.

Frequently asked questions

Can I use both?

Yes, many teams use Bolt for the rapid spike and graduate to v0 + Vercel + a real repo for production. Different stages of the same workflow.

Which is better for designers?

v0, its component-first output is closer to a designer's mental model than Bolt's full-app output.

What about Lovable or Replit Agent?

Lovable competes with Bolt (full-app, GitHub-integrated). Replit Agent competes with both (browser-first full apps). See /glossary/lovable, /glossary/replit-agent, /glossary/bolt-new.

Is the output production-ready?

v0's components usually are. Bolt's full-app outputs need polish, they're prototypes, not production.

Which is cheaper?

Both have generous free tiers. v0 has paid tiers for higher quotas and team features; Bolt has paid tiers for StackBlitz team workspaces.

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