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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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v0
S
HeyGen
S
Stable Audio
A
Adobe Firefly
A
TaglineVercel's AI-powered UI generator. Prompt to shadcn component.AI avatar videos. Record once, speak any language.Stability AI's open audio model. Loops + SFX + background.Commercially safe image gen, deeply integrated with Photoshop.
CategoryDesignVideoAudioImage
PricingFree + $20/moFree + $24-$65/moFree + $12/mo Pro + enterpriseFree + included with Creative Cloud
Best forFrontend devs, PMs prototyping UIs, anyone on Next.js.Course creators, multilingual marketers, anyone scaling video content.Game developers, podcasters needing SFX, video creators needing background music.Anyone in Creative Cloud. Brands that need copyright clarity.
Strengths
  • Ships working React + Tailwind code
  • Shadcn/ui native
  • One-click deploy to Vercel
  • Clone your face + voice in 2 minutes
  • Instant translation into 40+ languages with lip sync
  • Avatars look less uncanny than competitors
  • Open-weight model available
  • Great for loops + game audio + SFX
  • Commercial-use clarity
  • Trained on licensed content — commercially safe
  • Generative Fill in Photoshop is incredible
  • Native to Adobe ecosystem
Weaknesses
  • Best for shadcn stack
  • Iterating can be fiddly
  • Pricey for serious volume
  • Long shots still feel off
  • Ethics — easy to misuse
  • Not for full songs with vocals
  • Shorter generation limits
  • Aesthetic ceiling below Midjourney
  • Tied to Adobe subscription
Kai's verdictS-tier. If you're on Vercel/shadcn, this is cheating.S-tier for multilingual video. If you sell courses or speak at events, this is a cheat code.A-tier for its niche. Different use case than Suno — SFX and loops, not songs.S-tier inside Photoshop (Generative Fill). B-tier standalone.
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