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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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Flux (Black Forest Labs)
A
Rows
A
DALL-E 3
B
v0
S
TaglineOpen weights + strong photorealism. The open-source answer.Spreadsheets with AI + live integrations baked in.OpenAI's image model. Built into ChatGPT Plus.Vercel's AI-powered UI generator. Prompt to shadcn component.
CategoryImageDataImageDesign
PricingAPI + open weights (Schnell is Apache 2.0)Free + $19-$89/user/moIncluded with ChatGPT Plus $20/moFree + $20/mo
Best forDevelopers + power users who want control and privacy.Ops teams, marketers, anyone building dashboards from multiple sources.ChatGPT Plus users who want images without paying extra.Frontend devs, PMs prototyping UIs, anyone on Next.js.
Strengths
  • 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
  • Excellent prompt understanding
  • Built into ChatGPT — no extra subscription
  • Good at composition + concepts
  • Ships working React + Tailwind code
  • Shadcn/ui native
  • One-click deploy to Vercel
Weaknesses
  • Harder to use than hosted tools
  • Needs infra
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Aesthetic ceiling below Midjourney + Ideogram
  • Text rendering worse than Ideogram
  • No fine control
  • Best for shadcn stack
  • Iterating can be fiddly
Kai's verdictA-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.B-tier standalone, A-tier value if you already pay ChatGPT. Don't pay for it separately.S-tier. If you're on Vercel/shadcn, this is cheating.
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