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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
Reflect
A
TaglineOpen weights + strong photorealism. The open-source answer.AI-powered networked notes. Roam with a brain.
Categoryimageproductivity
PricingAPI + open weights (Schnell is Apache 2.0)$10/mo
Best forDevelopers + power users who want control and privacy.Knowledge workers + thinkers who want AI in their second brain.
Strengths
  • Runs locally on a beefy GPU
  • Very photoreal
  • Best open-weight model
  • AI auto-links related notes
  • Generates backlinks + summaries
  • Clean, minimal UX
Weaknesses
  • Harder to use than hosted tools
  • Needs infra
  • Expensive for just notes
  • Smaller community than Obsidian
Kai's verdictA-tier. S-tier if you self-host. The reason open-source image gen matters.A-tier. Niche but beloved. If you've outgrown Notion, try this.
LinkOpen →Open →