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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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Replicate
S
Suno
S
Kling
A
Adobe Firefly
A
TaglineRun any open-source AI model with an API call.Prompt to full song with vocals, instruments, the works.Kuaishou's video model. The surprise standout.Commercially safe image gen, deeply integrated with Photoshop.
CategoryDev PlatformAudioVideoImage
PricingPay per second of computeFree + $10/mo + $30/moCredit-based, free trialFree + included with Creative Cloud
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Jingles, intros, demos, sketches, personal use.Anyone who wants top-tier video quality for less.Anyone in Creative Cloud. Brands that need copyright clarity.
Strengths
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • Real songs with real lyrics
  • v4 is very good
  • Quick turnaround
  • Very strong motion + physics
  • Often beats Runway on realism
  • Great price
  • Trained on licensed content — commercially safe
  • Generative Fill in Photoshop is incredible
  • Native to Adobe ecosystem
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Copyright gray zone
  • Audio quality behind studio
  • UX is rough for English speakers
  • Queue times
  • Aesthetic ceiling below Midjourney
  • Tied to Adobe subscription
Kai's verdictS-tier for open-source model APIs. The default in this space.S-tier in its category. The first AI music tool I'd actually listen to.A-tier. Rising fast. If you can tolerate the UX, quality per dollar is best-in-class.S-tier inside Photoshop (Generative Fill). B-tier standalone.
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