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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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Dev Platform
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Leonardo.ai
A
Rows
A
Udio
A
OpenRouter
S
TaglineGamer + creator image gen with model fine-tuning built in.Spreadsheets with AI + live integrations baked in.Suno's main rival. Often better on instrumental nuance.One API, every model. Pay-as-you-go, no subscriptions.
CategoryImageDataAudioDev Platform
PricingFree + $12-$60/moFree + $19-$89/user/moFree + $10-$30/moPay per token — model-dependent
Best forIndie game devs, illustrators, anyone training custom style models.Ops teams, marketers, anyone building dashboards from multiple sources.Musicians comparing AI outputs. Anyone who didn't click with Suno.Developers experimenting across models. Apps that want fallback logic.
Strengths
  • Train your own models on your style/character
  • Great for game art + concept art
  • Generous free tier
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Strong instrumentals + genre fidelity
  • Extend/remix features
  • Good lyric understanding
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
Weaknesses
  • General output behind Midjourney
  • Can be overwhelming
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Same copyright gray zone as Suno
  • Ecosystem smaller
  • Slight markup over direct API
  • Some provider features not exposed
Kai's verdictA-tier for creators training custom looks. B-tier for general use.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.A-tier. Genuinely different vibe from Suno — worth trying both for a month.S-tier for model-shopping. I use this for every prototype before committing.
LinkOpen →Open →Open →Open →