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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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Cursor
S
Stable Audio
A
OpenRouter
S
Perplexity
S
TaglineVS Code fork that made AI coding actually work.Stability AI's open audio model. Loops + SFX + background.One API, every model. Pay-as-you-go, no subscriptions.AI search done right. Cited answers, not chat theater.
CategoryCodingAudioDev PlatformResearch
PricingFree + $20/mo Pro + $40/mo BusinessFree + $12/mo Pro + enterprisePay per token — model-dependentFree + $20/mo Pro
Best forDevelopers. Non-developers who want to ship working code.Game developers, podcasters needing SFX, video creators needing background music.Developers experimenting across models. Apps that want fallback logic.Replacing Google for any question where you want a cited answer in seconds.
Strengths
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
  • Open-weight model available
  • Great for loops + game audio + SFX
  • Commercial-use clarity
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
Weaknesses
  • Can feel overwhelming for non-coders
  • Expensive at scale
  • Not for full songs with vocals
  • Shorter generation limits
  • Slight markup over direct API
  • Some provider features not exposed
  • Not a general chatbot
  • Answers can be shallow on complex topics
Kai's verdictS-tier for coding. If you write code of any kind, this pays back the $20 in a day.A-tier for its niche. Different use case than Suno — SFX and loops, not songs.S-tier for model-shopping. I use this for every prototype before committing.S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.
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