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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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research
coding
image
video
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design
productivity
audio
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agents
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Devin
A
Gamma
A
GitHub Copilot
B
Kling
A
TaglineCognition Labs' autonomous coding engineer.AI slide decks that don't look AI-generated.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.Kuaishou's video model. The surprise standout.
Categoryagentsproductivitycodingvideo
Pricing$500/moFree + $10-$20/moFree (limited) + $10/mo Pro + $19/mo BusinessCredit-based, free trial
Best forEngineering teams offloading tickets. Ops/platform work.Pitch decks, proposals, internal presentations — fast.Teams with GitHub already. Devs who don't want to change IDEs.Anyone who wants top-tier video quality for less.
Strengths
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
  • Strong templates
  • Decks, docs, webpages
  • Doesn't look generic
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Very strong motion + physics
  • Often beats Runway on realism
  • Great price
Weaknesses
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
  • Locked into Gamma's format
  • Export quality varies
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • UX is rough for English speakers
  • Queue times
Kai's verdictA-tier for the right use case. Not for solo devs. If you manage engineers, try one license.A-tier. Best of a boring category. Use it for first drafts, then edit in Keynote if high-stakes.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.A-tier. Rising fast. If you can tolerate the UX, quality per dollar is best-in-class.
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