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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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Dev Platform
Agents
Voice
Video
Audio
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Image
Meetings
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Lex
A
Cursor
S
Granola
S
NotebookLM
S
TaglineGoogle Docs with an AI collaborator baked in.VS Code fork that made AI coding actually work.Meeting notes that don't suck. Runs locally, no bot joins.Google's research notebook. Turns your docs into a podcast.
CategoryWritingCodingMeetingsResearch
PricingFree + $12/moFree + $20/mo Pro + $40/mo BusinessFree + $18/moFree
Best forEssays, long-form drafts, thinking on the page.Developers. Non-developers who want to ship working code.Founders, execs, consultants who live in calls.Students, researchers, anyone with a stack of PDFs or a topic to learn.
Strengths
  • Clean writing UX — distraction-free
  • +++ prompt triggers AI help
  • Collaboration + AI feedback together
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
  • No bot in the call — runs on your Mac
  • Strong templates
  • Fast summaries
  • Upload anything, ask questions, get cited answers
  • Audio Overview turns docs into a 10-min podcast
  • Great for studying
Weaknesses
  • Less feature-rich than Google Docs
  • AI ceiling below dedicated tools
  • Can feel overwhelming for non-coders
  • Expensive at scale
  • Mac-only
  • Single-user by design
  • Google-only
  • Can be slow on large corpora
Kai's verdictA-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form.S-tier for coding. If you write code of any kind, this pays back the $20 in a day.S-tier. Category-defining UX. If you take notes in meetings, switch this week.S-tier for study. The Audio Overview is a killer feature. Try it with three of your favorite PDFs.
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