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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
GitHub Copilot
B
Claude
S
HeyGen
S
Gamma
A
TaglineMicrosoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.Anthropic's flagship — best reasoning + longest useful context.AI avatar videos. Record once, speak any language.AI slide decks that don't look AI-generated.
Categorycodingchatvideoproductivity
PricingFree (limited) + $10/mo Pro + $19/mo BusinessFree + $20/mo Pro + team/enterpriseFree + $24-$65/moFree + $10-$20/mo
Best forTeams with GitHub already. Devs who don't want to change IDEs.Long writing, code, careful thinking, documents over 50 pages.Course creators, multilingual marketers, anyone scaling video content.Pitch decks, proposals, internal presentations — fast.
Strengths
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Best-in-class writing + nuanced reasoning
  • 1M context on Opus
  • Artifacts for code/docs
  • Lowest hallucination rate in my testing
  • Clone your face + voice in 2 minutes
  • Instant translation into 40+ languages with lip sync
  • Avatars look less uncanny than competitors
  • Strong templates
  • Decks, docs, webpages
  • Doesn't look generic
Weaknesses
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Image generation is weak
  • No native web search on all tiers
  • Pricey for serious volume
  • Long shots still feel off
  • Ethics — easy to misuse
  • Locked into Gamma's format
  • Export quality varies
Kai's verdictB-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.S-tier for reasoning and writing. If you only pay for one chatbot, pay for this one — especially for long work.S-tier for multilingual video. If you sell courses or speak at events, this is a cheat code.A-tier. Best of a boring category. Use it for first drafts, then edit in Keynote if high-stakes.
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