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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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Devin
A
Ideogram
S
ChatGPT Operator
B
Udio
A
TaglineCognition Labs' autonomous coding engineer.The one that actually gets text in images right.OpenAI's browser agent. Clicks and types on websites for you.Suno's main rival. Often better on instrumental nuance.
Categoryagentsimageagentsaudio
Pricing$500/moFree + $8/mo + $20/mo + $60/moIncluded with ChatGPT Pro $200/moFree + $10-$30/mo
Best forEngineering teams offloading tickets. Ops/platform work.Anything with text — posters, ads, album covers, slide decks.Power users willing to pay $200/mo for a browser bot.Musicians comparing AI outputs. Anyone who didn't click with Suno.
Strengths
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
  • Best text rendering in the game
  • Strong free tier
  • Good for logos, posters, thumbnails
  • Actually uses websites — fills forms, clicks, checks out
  • Built into ChatGPT
  • Good for repetitive web tasks
  • Strong instrumentals + genre fidelity
  • Extend/remix features
  • Good lyric understanding
Weaknesses
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
  • Aesthetic ceiling below Midjourney
  • Less style variety
  • Slow vs doing it yourself
  • Breaks on complex auth flows
  • $200/mo gate
  • Same copyright gray zone as Suno
  • Ecosystem smaller
Kai's verdictA-tier for the right use case. Not for solo devs. If you manage engineers, try one license.S-tier for text-in-image. Use this for posters, Midjourney for art.B-tier. Still early. Manus is more flexible for less money.A-tier. Genuinely different vibe from Suno — worth trying both for a month.
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