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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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S
Luma Dream Machine
A
Leonardo.ai
A
Claude Code
S
TaglineRun any open-source AI model with an API call.Smooth, cinematic motion. Image-to-video specialist.Gamer + creator image gen with model fine-tuning built in.Anthropic's CLI agent. Opus-powered, operates on your repo directly.
CategoryDev PlatformVideoImageCoding
PricingPay per second of computeFree + $10-$500/moFree + $12-$60/moPart of Claude Pro/Max/Team plans
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Photographers animating stills, cinematic b-roll.Indie game devs, illustrators, anyone training custom style models.Developers who want an agent, not autocomplete. Large refactors, tests, docs.
Strengths
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • Best image-to-video in the category
  • Great camera motion control
  • Ray 2 model produces striking shots
  • Train your own models on your style/character
  • Great for game art + concept art
  • Generous free tier
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Prompt fidelity below Runway
  • Queue times on free tier
  • General output behind Midjourney
  • Can be overwhelming
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
Kai's verdictS-tier for open-source model APIs. The default in this space.A-tier. Best for cinematic image-to-video. Pair with Runway for coverage.A-tier for creators training custom looks. B-tier for general use.S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.
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