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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
Lovable
A
Adobe Firefly
A
Grammarly
A
TaglineOpen weights + strong photorealism. The open-source answer.Build a full app from a prompt. Stripe-ready.Commercially safe image gen, deeply integrated with Photoshop.Grammar check + tone + AI drafting, everywhere you type.
CategoryImageDesignImageWriting
PricingAPI + open weights (Schnell is Apache 2.0)Free + $25-$100/moFree + included with Creative CloudFree + $12-$15/mo Premium + team plans
Best forDevelopers + power users who want control and privacy.Non-devs + solopreneurs shipping MVPs.Anyone in Creative Cloud. Brands that need copyright clarity.Non-native English writers, business email, anyone who types a lot.
Strengths
  • Runs locally on a beefy GPU
  • Very photoreal
  • Best open-weight model
  • Generates full apps + DB + auth
  • Good for non-developers
  • Ships faster than hand-coding
  • Trained on licensed content — commercially safe
  • Generative Fill in Photoshop is incredible
  • Native to Adobe ecosystem
  • Works in every browser/app
  • Now has generative AI (GrammarlyGO)
  • Tone detection + suggestions
Weaknesses
  • Harder to use than hosted tools
  • Needs infra
  • Complexity ceiling
  • Can generate brittle code
  • Aesthetic ceiling below Midjourney
  • Tied to Adobe subscription
  • Can feel naggy
  • Premium features gate basics
  • Privacy concerns (reads your writing)
Kai's verdictA-tier. S-tier if you self-host. The reason open-source image gen matters.A-tier. The strongest 'no-code' AI builder right now. Great for founder MVPs.S-tier inside Photoshop (Generative Fill). B-tier standalone.A-tier for non-native English speakers. B-tier if your English is already strong — Claude does better with tone.
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