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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
Windsurf
A
Runway
S
Hume AI
A
TaglineMicrosoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.Codeium's agentic IDE. Cascade agent + strong free tier.The pro's AI video tool. Gen-4 is the current bar.Voice AI that reads + expresses emotion.
Categorycodingcodingvideovoice
PricingFree (limited) + $10/mo Pro + $19/mo BusinessFree + $15/mo ProFree + $15-$95/moFree tier + pay-as-you-go
Best forTeams with GitHub already. Devs who don't want to change IDEs.Developers who want Cursor-like power for less money.Marketing video, pitch decks, b-roll, creative shorts.Therapy apps, customer service, any voice agent where emotion matters.
Strengths
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Cheaper than Cursor
  • Cascade agent for multi-file tasks
  • Solid free tier
  • Most mature video workflow
  • Character consistency via Act-One
  • Gen-4 quality is production-grade
  • Detects + mirrors emotional tone
  • EVI (Empathic Voice Interface) feels different
  • Expressive voice output
Weaknesses
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Smaller community
  • Model selection more limited
  • Expensive at scale
  • Still needs post-editing
  • Niche use case
  • Pricing ramps fast
Kai's verdictB-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.A-tier. Close second to Cursor. If $5/mo matters, start here.S-tier. Market leader with reason. Start here for serious video.A-tier in its niche. The only one that actually gets emotion right.
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