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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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chat
research
coding
image
video
voice
meeting
design
productivity
audio
writing
agents
dev platform
data
marketing
education
Google Veo
A
Devin
A
GitHub Copilot
B
Writesonic
B
TaglineGoogle's video model. Baked into Gemini + YouTube Shorts.Cognition Labs' autonomous coding engineer.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.SEO-first AI writer. Optimized for ranking content.
Categoryvideoagentscodingmarketing
PricingIncluded with Gemini Advanced $20/mo + YouTube creator tools$500/moFree (limited) + $10/mo Pro + $19/mo BusinessFree + $15-$99/mo
Best forGemini Advanced users, YouTube Shorts creators.Engineering teams offloading tickets. Ops/platform work.Teams with GitHub already. Devs who don't want to change IDEs.Content marketers churning out SEO articles.
Strengths
  • Included with Gemini Advanced
  • YouTube Shorts native integration
  • Strong prompt understanding
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • SEO built-in (Surfer integration)
  • Article generator for long-form
  • Chatsonic for research
Weaknesses
  • Still catching up on quality vs Kling/Runway
  • Less control than pros need
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Output quality behind Claude for polish
  • SEO automation can produce generic content
Kai's verdictA-tier if you already pay Gemini. B-tier standalone.A-tier for the right use case. Not for solo devs. If you manage engineers, try one license.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.B-tier. Use Claude + manual SEO thinking. Writesonic is fast but generic.
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