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Side-by-side: what they do, what they cost, what Kai actually thinks. Pass up to 4 tools via ?tools=claude,chatgpt,gemini.
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Bolt.new (StackBlitz)
A
OpenRouter
S
GitHub Copilot
B
Claude Code
S
TaglinePrompt to deployed full-stack app in the browser.One API, every model. Pay-as-you-go, no subscriptions.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.Anthropic's CLI agent. Opus-powered, operates on your repo directly.
Categorycodingdev platformcodingcoding
PricingFree + $20-$200/moPay per token — model-dependentFree (limited) + $10/mo Pro + $19/mo BusinessPart of Claude Pro/Max/Team plans
Best forPMs, founders, non-devs shipping MVPs.Developers experimenting across models. Apps that want fallback logic.Teams with GitHub already. Devs who don't want to change IDEs.Developers who want an agent, not autocomplete. Large refactors, tests, docs.
Strengths
  • Full-stack generation + live preview
  • Deploy to Netlify in one click
  • Works in-browser — no install
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
Weaknesses
  • Quality ceiling for complex apps
  • Can get into loops for non-trivial bugs
  • Slight markup over direct API
  • Some provider features not exposed
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
Kai's verdictA-tier. Best for fast prototypes. Competitive with Lovable — try both.S-tier for model-shopping. I use this for every prototype before committing.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.
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