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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
Devin
A
Suno
S
TaglineThe one that actually gets text in images right.The fastest AI inference in the world. Crazy low latency.Cognition Labs' autonomous coding engineer.Prompt to full song with vocals, instruments, the works.
CategoryImageDev PlatformAgentsAudio
PricingFree + $8/mo + $20/mo + $60/moFree tier + pay-as-you-go API$500/moFree + $10/mo + $30/mo
Best forAnything with text — posters, ads, album covers, slide decks.Developers who need sub-100ms LLM responses.Engineering teams offloading tickets. Ops/platform work.Jingles, intros, demos, sketches, personal use.
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
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
  • Real songs with real lyrics
  • v4 is very good
  • Quick turnaround
Weaknesses
  • Aesthetic ceiling below Midjourney
  • Less style variety
  • Open-weight models only (no Claude/GPT)
  • Less flexibility on custom configs
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
  • Copyright gray zone
  • Audio quality behind studio
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.A-tier for the right use case. Not for solo devs. If you manage engineers, try one license.S-tier in its category. The first AI music tool I'd actually listen to.
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