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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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S
Suno
S
Ideogram
S
Kling
A
TaglineRun any open-source AI model with an API call.Prompt to full song with vocals, instruments, the works.The one that actually gets text in images right.Kuaishou's video model. The surprise standout.
Categorydev platformaudioimagevideo
PricingPay per second of computeFree + $10/mo + $30/moFree + $8/mo + $20/mo + $60/moCredit-based, free trial
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Jingles, intros, demos, sketches, personal use.Anything with text — posters, ads, album covers, slide decks.Anyone who wants top-tier video quality for less.
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
  • Best text rendering in the game
  • Strong free tier
  • Good for logos, posters, thumbnails
  • Very strong motion + physics
  • Often beats Runway on realism
  • Great price
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Copyright gray zone
  • Audio quality behind studio
  • Aesthetic ceiling below Midjourney
  • Less style variety
  • UX is rough for English speakers
  • Queue times
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.S-tier for text-in-image. Use this for posters, Midjourney for art.A-tier. Rising fast. If you can tolerate the UX, quality per dollar is best-in-class.
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