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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
Groq
S
Suno
S
Runway
S
TaglineThe one that actually gets text in images right.The fastest AI inference in the world. Crazy low latency.Prompt to full song with vocals, instruments, the works.The pro's AI video tool. Gen-4 is the current bar.
CategoryImageDev PlatformAudioVideo
PricingFree + $8/mo + $20/mo + $60/moFree tier + pay-as-you-go APIFree + $10/mo + $30/moFree + $15-$95/mo
Best forAnything with text — posters, ads, album covers, slide decks.Developers who need sub-100ms LLM responses.Jingles, intros, demos, sketches, personal use.Marketing video, pitch decks, b-roll, creative shorts.
Strengths
  • Best text rendering in the game
  • Strong free tier
  • Good for logos, posters, thumbnails
  • 500+ tokens/sec on Llama/Mixtral — feels instant
  • Custom LPU hardware
  • Great free tier
  • Real songs with real lyrics
  • v4 is very good
  • Quick turnaround
  • Most mature video workflow
  • Character consistency via Act-One
  • Gen-4 quality is production-grade
Weaknesses
  • Aesthetic ceiling below Midjourney
  • Less style variety
  • Open-weight models only (no Claude/GPT)
  • Less flexibility on custom configs
  • Copyright gray zone
  • Audio quality behind studio
  • Expensive at scale
  • Still needs post-editing
Kai's verdictS-tier for text-in-image. Use this for posters, Midjourney for art.S-tier for speed. When latency is the product, start here.S-tier in its category. The first AI music tool I'd actually listen to.S-tier. Market leader with reason. Start here for serious video.
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