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bolt.new

StackBlitz

Browser-based full-stack app builder. Fastest time to working app (~28min) but token costs can explode during debugging ($1K+ per project). WebContainer-based execution.

Fastest app generation (~28min), WebContainer execution

App Builder Free Freemium Commercial
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Tech Stack
TypeScript (Browser IDE)
GitHub Stars
-
Pricing
Freemium
Initial Release
October 1, 2024

Features & Capabilities

Open Source
Self-Hostable
MCP Support
Multi-Model
Multi-Agent
Voice Support
Free Tier

Capabilities

app_generationfull_stackweb_previewdeployment

Supported Model Providers

anthropic
openai
google

Pricing Details

Free Tier
true
Pro Monthly
20

Security Notes

  • notes: Token costs can explode during debugging — $1K+ per project reported

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Details

Developer
StackBlitz
Category
App Builder
Status
Active
Initial Release
October 1, 2024
License
Commercial
Tech Stack
TypeScript (Browser IDE)
Agent ID
bolt-new

Platforms

web

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Last updated: March 14, 2026