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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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DeepSeek
S
Cursor
S
Udio
A
Perplexity
S
TaglineChinese open-weight powerhouse. Crazy cheap, genuinely smart.VS Code fork that made AI coding actually work.Suno's main rival. Often better on instrumental nuance.AI search done right. Cited answers, not chat theater.
CategoryChatbotsCodingAudioResearch
PricingFree web + ultra-cheap API (~$0.14/M input tokens)Free + $20/mo Pro + $40/mo BusinessFree + $10-$30/moFree + $20/mo Pro
Best forDevelopers + cost-conscious builders. Anyone fine with self-hosting.Developers. Non-developers who want to ship working code.Musicians comparing AI outputs. Anyone who didn't click with Suno.Replacing Google for any question where you want a cited answer in seconds.
Strengths
  • Open weights you can self-host
  • Strong reasoning + math
  • Near-free API pricing
  • DeepSeek-V3 / R1 are serious models
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
  • Strong instrumentals + genre fidelity
  • Extend/remix features
  • Good lyric understanding
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
Weaknesses
  • Data goes to servers in China — privacy concerns for business use
  • Chinese policy filters
  • English polish trails Western models
  • Can feel overwhelming for non-coders
  • Expensive at scale
  • Same copyright gray zone as Suno
  • Ecosystem smaller
  • Not a general chatbot
  • Answers can be shallow on complex topics
Kai's verdictS-tier for price/performance. A-tier for consumer use. If you build apps, this is the budget pick.S-tier for coding. If you write code of any kind, this pays back the $20 in a day.A-tier. Genuinely different vibe from Suno — worth trying both for a month.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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