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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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Flux (Black Forest Labs)
A
Pika
A
Claude Code
S
Leonardo.ai
A
TaglineOpen weights + strong photorealism. The open-source answer.The playful, accessible AI video tool.Anthropic's CLI agent. Opus-powered, operates on your repo directly.Gamer + creator image gen with model fine-tuning built in.
CategoryImageVideoCodingImage
PricingAPI + open weights (Schnell is Apache 2.0)Free + $8-$58/moPart of Claude Pro/Max/Team plansFree + $12-$60/mo
Best forDevelopers + power users who want control and privacy.Social media creators, beginners, anyone wanting quick fun clips.Developers who want an agent, not autocomplete. Large refactors, tests, docs.Indie game devs, illustrators, anyone training custom style models.
Strengths
  • Runs locally on a beefy GPU
  • Very photoreal
  • Best open-weight model
  • Ingredients feature — combine people, objects, scenes
  • Lip sync + sound effects
  • Fun, approachable UX
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
  • Train your own models on your style/character
  • Great for game art + concept art
  • Generous free tier
Weaknesses
  • Harder to use than hosted tools
  • Needs infra
  • Lower fidelity than Runway/Kling
  • Still rough on complex scenes
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • General output behind Midjourney
  • Can be overwhelming
Kai's verdictA-tier. S-tier if you self-host. The reason open-source image gen matters.A-tier for social/casual. B-tier for serious work. Good entry point.S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.A-tier for creators training custom looks. B-tier for general use.
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