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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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GitHub Copilot
B
Claude
S
Stable Audio
A
Windsurf
A
TaglineMicrosoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.Anthropic's flagship — best reasoning + longest useful context.Stability AI's open audio model. Loops + SFX + background.Codeium's agentic IDE. Cascade agent + strong free tier.
Categorycodingchataudiocoding
PricingFree (limited) + $10/mo Pro + $19/mo BusinessFree + $20/mo Pro + team/enterpriseFree + $12/mo Pro + enterpriseFree + $15/mo Pro
Best forTeams with GitHub already. Devs who don't want to change IDEs.Long writing, code, careful thinking, documents over 50 pages.Game developers, podcasters needing SFX, video creators needing background music.Developers who want Cursor-like power for less money.
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
  • Open-weight model available
  • Great for loops + game audio + SFX
  • Commercial-use clarity
  • Cheaper than Cursor
  • Cascade agent for multi-file tasks
  • Solid free tier
Weaknesses
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Image generation is weak
  • No native web search on all tiers
  • Not for full songs with vocals
  • Shorter generation limits
  • Smaller community
  • Model selection more limited
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.A-tier for its niche. Different use case than Suno — SFX and loops, not songs.A-tier. Close second to Cursor. If $5/mo matters, start here.
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