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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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Leonardo.ai
A
Cursor
S
Runway
S
DeepSeek
S
TaglineGamer + creator image gen with model fine-tuning built in.VS Code fork that made AI coding actually work.The pro's AI video tool. Gen-4 is the current bar.Chinese open-weight powerhouse. Crazy cheap, genuinely smart.
CategoryImageCodingVideoChatbots
PricingFree + $12-$60/moFree + $20/mo Pro + $40/mo BusinessFree + $15-$95/moFree web + ultra-cheap API (~$0.14/M input tokens)
Best forIndie game devs, illustrators, anyone training custom style models.Developers. Non-developers who want to ship working code.Marketing video, pitch decks, b-roll, creative shorts.Developers + cost-conscious builders. Anyone fine with self-hosting.
Strengths
  • Train your own models on your style/character
  • Great for game art + concept art
  • Generous free tier
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
  • Most mature video workflow
  • Character consistency via Act-One
  • Gen-4 quality is production-grade
  • Open weights you can self-host
  • Strong reasoning + math
  • Near-free API pricing
  • DeepSeek-V3 / R1 are serious models
Weaknesses
  • General output behind Midjourney
  • Can be overwhelming
  • Can feel overwhelming for non-coders
  • Expensive at scale
  • Expensive at scale
  • Still needs post-editing
  • Data goes to servers in China — privacy concerns for business use
  • Chinese policy filters
  • English polish trails Western models
Kai's verdictA-tier for creators training custom looks. B-tier for general use.S-tier for coding. If you write code of any kind, this pays back the $20 in a day.S-tier. Market leader with reason. Start here for serious video.S-tier for price/performance. A-tier for consumer use. If you build apps, this is the budget pick.
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