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Bolt

StackBlitz's browser-native AI builder that generates, executes and deploys full-stack JavaScript apps.

Visit bolt.new ↗
https://bolt.new
Bolt logo

Bolt

StackBlitz's browser-native AI builder that generates, executes and deploys full-stack JavaScript apps.

What is Bolt?

Bolt, built by StackBlitz, distinguishes itself in the AI app-builder segment through its in-browser runtime. Generated projects run inside a full development environment in the tab, so users see the code, a terminal and a live preview simultaneously instead of a hidden build process.

Compared with Lovable, which prioritizes a guided chat for non-coders, Bolt suits users comfortable inspecting and editing source files. Against Replit, it is lighter and more prompt-centric, though Replit offers a broader general-purpose cloud development platform.

The main constraint is token-based pricing: a free tier and a Pro plan at $20/mo cover modest use, but large codebases consume context quickly. Output quality is strong for JavaScript stacks and less predictable for unusual architectures.

Best fit: Developers and technical makers who want visible, editable AI-generated code

Strengths

  • ✓ Transparent workflow with full code access
  • ✓ No local environment setup required
  • ✓ Fast prompt-to-deploy cycle

Trade-offs

  • – Token costs climb with project size
  • – Best results limited to JavaScript ecosystems

Use cases

  1. 01

    Generating prototypes that developers can refine directly

  2. 02

    Evaluating frameworks without configuring local tooling

  3. 03

    Producing deployable demos for client pitches

Key features

  • ✓Full-stack app generation from natural language
  • ✓In-browser runtime with terminal and file tree
  • ✓Support for multiple JavaScript frameworks
  • ✓Integrated deployment to hosting providers

Pricing

Model

Freemium

Starting at

$20

Plans

Free · Pro $20/mo

See official pricing ↗

Prices last checked Oct 18, 2026. Spotted an error? Let us know.

⇄Bolt alternatives6+ similar tools, ranked→$Bolt pricingPlans & cost vs peers→

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Bolt FAQ

What is Bolt?+

StackBlitz's browser-native AI builder that generates, executes and deploys full-stack JavaScript apps. Best for developers and technical makers who want visible, editable ai-generated code.

Bolt pricing?+

Free · Pro $20/mo (freemium).

What are Bolt’s main competitors?+

Lovable, Replit, v0 and Framer.

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