Bolt.new vs Flux
Complete comparison guide to help you choose the right coding tool for your needs.
The Winner
Too Close to Call
Both Bolt.new and Flux are excellent choices. Your decision should be based on specific feature needs and use case.
Quick Comparison
Feature Breakdown
Feature Comparison
Bolt.new 
Flux Bolt.new
- Fastest Prototyping Available
- Zero Setup Required
- Claude 3.7 Sonnet Integration
- Native Mobile Development
- Context Loss After 15-20 Iterations
- Aggressive Token Consumption
- Not for Production-Grade Apps
Flux
- First AI-Native PCB Design Tool
- Browser-Based Collaboration
- 97% Cheaper Than Altium
- Live Component Data
- 8-Layer Maximum
- Requires Internet
- Limited Review Coverage
Bolt.new Overview
Bolt.new generates full-stack apps from natural language using Claude 3.7 Sonnet. Free tier: 150K tokens/day. Pro: $20/month for 10M tokens. Best for rapid prototyping, MVPs, and learning web development. Over 1 million websites deployed. Supports React, Vue, Next.js, mobile apps via Expo, plus Figma, GitHub, Stripe, and Supabase integrations.
Best For:
- Rapid MVP and prototype development
- Developers wanting instant deployment without DevOps setup
- Beginners learning full-stack web development
- Quick validation of app ideas
- Browser-based development without local environment
- Projects requiring fast iteration cycles
Flux Overview
Flux is a browser-based PCB design platform with AI Copilot assistance that automates hardware engineering workflows. Design multi-layer circuit boards for IoT, wearables, and robotics with real-time collaboration, automated routing, and live component data-no desktop software installation required.
Best For:
- IoT/wearables PCB design teams
- Teams needing real-time collaboration on PCB projects
- Engineers transitioning from traditional desktop tools to cloud-based workflows
- Startups and small teams with limited budgets (vs Altium)
- Beginners learning PCB design with AI assistance
- Projects requiring quick iterations and AI-powered optimization
Our Verdict
Both Bolt.new and Flux are excellent choices for their respective strengths. Bolt.new is ideal for Rapid MVP and prototype development, while Flux shines at IoT/wearables PCB design teams. Your final choice should depend on your specific requirements and budget.