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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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Gamma
A
Elicit
S
Suno
S
Devin
A
TaglineAI slide decks that don't look AI-generated.AI research assistant for academic literature.Prompt to full song with vocals, instruments, the works.Cognition Labs' autonomous coding engineer.
CategoryProductivityResearchAudioAgents
PricingFree + $10-$20/moFree + $12-$42/moFree + $10/mo + $30/mo$500/mo
Best forPitch decks, proposals, internal presentations — fast.Grad students, researchers, anyone doing literature reviews.Jingles, intros, demos, sketches, personal use.Engineering teams offloading tickets. Ops/platform work.
Strengths
  • Strong templates
  • Decks, docs, webpages
  • Doesn't look generic
  • Searches 125M+ papers
  • Extracts + synthesizes findings across papers
  • Systematic review workflow
  • Real songs with real lyrics
  • v4 is very good
  • Quick turnaround
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
Weaknesses
  • Locked into Gamma's format
  • Export quality varies
  • Academic-only
  • Can hallucinate citations — verify everything
  • Copyright gray zone
  • Audio quality behind studio
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
Kai's verdictA-tier. Best of a boring category. Use it for first drafts, then edit in Keynote if high-stakes.S-tier for academic research. Nothing else comes close for systematic reviews.S-tier in its category. The first AI music tool I'd actually listen to.A-tier for the right use case. Not for solo devs. If you manage engineers, try one license.
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