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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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coding
image
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design
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GitHub Copilot
B
Flux (Black Forest Labs)
A
Rows
A
v0
S
TaglineMicrosoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.Open weights + strong photorealism. The open-source answer.Spreadsheets with AI + live integrations baked in.Vercel's AI-powered UI generator. Prompt to shadcn component.
Categorycodingimagedatadesign
PricingFree (limited) + $10/mo Pro + $19/mo BusinessAPI + open weights (Schnell is Apache 2.0)Free + $19-$89/user/moFree + $20/mo
Best forTeams with GitHub already. Devs who don't want to change IDEs.Developers + power users who want control and privacy.Ops teams, marketers, anyone building dashboards from multiple sources.Frontend devs, PMs prototyping UIs, anyone on Next.js.
Strengths
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Runs locally on a beefy GPU
  • Very photoreal
  • Best open-weight model
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Ships working React + Tailwind code
  • Shadcn/ui native
  • One-click deploy to Vercel
Weaknesses
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Harder to use than hosted tools
  • Needs infra
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Best for shadcn stack
  • Iterating can be fiddly
Kai's verdictB-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.A-tier. S-tier if you self-host. The reason open-source image gen matters.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.S-tier. If you're on Vercel/shadcn, this is cheating.
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