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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
Leonardo.ai
A
Claude Code
S
Google Veo
A
TaglineOpen weights + strong photorealism. The open-source answer.Gamer + creator image gen with model fine-tuning built in.Anthropic's CLI agent. Opus-powered, operates on your repo directly.Google's video model. Baked into Gemini + YouTube Shorts.
CategoryImageImageCodingVideo
PricingAPI + open weights (Schnell is Apache 2.0)Free + $12-$60/moPart of Claude Pro/Max/Team plansIncluded with Gemini Advanced $20/mo + YouTube creator tools
Best forDevelopers + power users who want control and privacy.Indie game devs, illustrators, anyone training custom style models.Developers who want an agent, not autocomplete. Large refactors, tests, docs.Gemini Advanced users, YouTube Shorts creators.
Strengths
  • Runs locally on a beefy GPU
  • Very photoreal
  • Best open-weight model
  • 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
  • Included with Gemini Advanced
  • YouTube Shorts native integration
  • Strong prompt understanding
Weaknesses
  • Harder to use than hosted tools
  • Needs infra
  • General output behind Midjourney
  • Can be overwhelming
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • Still catching up on quality vs Kling/Runway
  • Less control than pros need
Kai's verdictA-tier. S-tier if you self-host. The reason open-source image gen matters.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.A-tier if you already pay Gemini. B-tier standalone.
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