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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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Udio
A
Gemini
A
Perplexity
S
Flux (Black Forest Labs)
A
TaglineSuno's main rival. Often better on instrumental nuance.Google's answer. Best integrated with Workspace + free for a lot.AI search done right. Cited answers, not chat theater.Open weights + strong photorealism. The open-source answer.
CategoryAudioChatbotsResearchImage
PricingFree + $10-$30/moFree + $20/mo Advanced (bundled with 2TB Drive)Free + $20/mo ProAPI + open weights (Schnell is Apache 2.0)
Best forMusicians comparing AI outputs. Anyone who didn't click with Suno.Anyone already on Google, research tasks, summarizing long documents.Replacing Google for any question where you want a cited answer in seconds.Developers + power users who want control and privacy.
Strengths
  • Strong instrumentals + genre fidelity
  • Extend/remix features
  • Good lyric understanding
  • Native Google Workspace integration
  • Very long context (1M+)
  • Deep Research feature
  • Free tier is generous
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Runs locally on a beefy GPU
  • Very photoreal
  • Best open-weight model
Weaknesses
  • Same copyright gray zone as Suno
  • Ecosystem smaller
  • Writing quality trails Claude
  • Over-refusals on edge content
  • UI is cluttered
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Harder to use than hosted tools
  • Needs infra
Kai's verdictA-tier. Genuinely different vibe from Suno — worth trying both for a month.A-tier. The Deep Research feature is genuinely useful. Don't sleep on it if you're already paying Google.S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.A-tier. S-tier if you self-host. The reason open-source image gen matters.
LinkOpen →Open →Open →Open →