Bolt.new

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 Repository  16,300  14,600

AI-powered full-stack web app builder running entirely in the browser

app-builder browser-based webcontainers prototyping no-setup open-source
Ready-to-Use Cloud Stable Maintained

Key Features

Multi-Agent
Single Agent
Human-in-the-Loop
Streaming
Async Support
Type Safe
Short-Term Memory
Long-Term Memory
Shared Memory
Plugin System
Custom Tools
MCP Protocol
A2A Protocol
Code Execution
Web Browsing
File System Access
Sandboxing
Guardrails
Structured Output
DAG Workflows
Visual Builder
CLI
API Server
Self-Hosted
Cloud Hosted

Community Feedback

Strengths

  • Zero setup (runs entirely in browser)
  • Impressive for rapid prototyping
  • MIT license
  • Huge community (bolt.diy fork)
  • Great for non-developers
  • Instant deployment

Weaknesses

  • Limited to web apps
  • WebContainer limitations
  • Struggles with complex backends
  • Inconsistent on larger projects
  • Token costs

Bolt.new Details

OrganizationStackBlitz
Organization TypeCompany
FundingSeries a
CategoryReady-to-Use
SubcategoryCode generation
DeploymentCloud
Primary LanguageTypeScript
RuntimeWebContainers (in-browser Node.js)
LicenseMIT
Commercial UseUnrestricted
GitHub Stars16,300
GitHub Forks14,600
Release CadenceBiweekly
MaturityStable
Pricing ModelFreemium
Community SizeLarge (16k stars, huge fork ecosystem)
Community ActivityVery active
SentimentPositive
GPU RequiredNo
ConfidenceHigh
Research Date2026-03-24
LLM ProvidersAnthropic Claude (Sonnet, Opus 4.6 with reasoning)

Use Cases

Similar Tools

Lovable.devBolt.new is open-source and browser-based; Lovable is proprietary and more polished
v0.devBolt.new is full-stack browser; v0.dev is React/Next.js focused
Replit AgentBolt.new is browser-only web; Replit is multi-platform

When to Use

Best for: Rapid web app prototyping with zero setup in the browser

Avoid when: Complex backends, non-web projects, or need enterprise reliability

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Release v20260324