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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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Reflect
A
Cursor
S
Perplexity
S
Luma Dream Machine
A
TaglineAI-powered networked notes. Roam with a brain.VS Code fork that made AI coding actually work.AI search done right. Cited answers, not chat theater.Smooth, cinematic motion. Image-to-video specialist.
CategoryProductivityCodingResearchVideo
Pricing$10/moFree + $20/mo Pro + $40/mo BusinessFree + $20/mo ProFree + $10-$500/mo
Best forKnowledge workers + thinkers who want AI in their second brain.Developers. Non-developers who want to ship working code.Replacing Google for any question where you want a cited answer in seconds.Photographers animating stills, cinematic b-roll.
Strengths
  • AI auto-links related notes
  • Generates backlinks + summaries
  • Clean, minimal UX
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Best image-to-video in the category
  • Great camera motion control
  • Ray 2 model produces striking shots
Weaknesses
  • Expensive for just notes
  • Smaller community than Obsidian
  • Can feel overwhelming for non-coders
  • Expensive at scale
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Prompt fidelity below Runway
  • Queue times on free tier
Kai's verdictA-tier. Niche but beloved. If you've outgrown Notion, try this.S-tier for coding. If you write code of any kind, this pays back the $20 in a day.S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.A-tier. Best for cinematic image-to-video. Pair with Runway for coverage.
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