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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
Bolt.new (StackBlitz)
A
HeyGen
S
TaglineCognition Labs' autonomous coding engineer.The one that actually gets text in images right.Prompt to deployed full-stack app in the browser.AI avatar videos. Record once, speak any language.
CategoryAgentsImageCodingVideo
Pricing$500/moFree + $8/mo + $20/mo + $60/moFree + $20-$200/moFree + $24-$65/mo
Best forEngineering teams offloading tickets. Ops/platform work.Anything with text — posters, ads, album covers, slide decks.PMs, founders, non-devs shipping MVPs.Course creators, multilingual marketers, anyone scaling video content.
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
  • Full-stack generation + live preview
  • Deploy to Netlify in one click
  • Works in-browser — no install
  • Clone your face + voice in 2 minutes
  • Instant translation into 40+ languages with lip sync
  • Avatars look less uncanny than competitors
Weaknesses
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
  • Aesthetic ceiling below Midjourney
  • Less style variety
  • Quality ceiling for complex apps
  • Can get into loops for non-trivial bugs
  • Pricey for serious volume
  • Long shots still feel off
  • Ethics — easy to misuse
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.A-tier. Best for fast prototypes. Competitive with Lovable — try both.S-tier for multilingual video. If you sell courses or speak at events, this is a cheat code.
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