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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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GitHub Copilot
B
Flux (Black Forest Labs)
A
Perplexity
S
NotebookLM
S
TaglineMicrosoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.Open weights + strong photorealism. The open-source answer.AI search done right. Cited answers, not chat theater.Google's research notebook. Turns your docs into a podcast.
Categorycodingimageresearchresearch
PricingFree (limited) + $10/mo Pro + $19/mo BusinessAPI + open weights (Schnell is Apache 2.0)Free + $20/mo ProFree
Best forTeams with GitHub already. Devs who don't want to change IDEs.Developers + power users who want control and privacy.Replacing Google for any question where you want a cited answer in seconds.Students, researchers, anyone with a stack of PDFs or a topic to learn.
Strengths
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Runs locally on a beefy GPU
  • Very photoreal
  • Best open-weight model
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Upload anything, ask questions, get cited answers
  • Audio Overview turns docs into a 10-min podcast
  • Great for studying
Weaknesses
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Harder to use than hosted tools
  • Needs infra
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Google-only
  • Can be slow on large corpora
Kai's verdictB-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.A-tier. S-tier if you self-host. The reason open-source image gen matters.S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.S-tier for study. The Audio Overview is a killer feature. Try it with three of your favorite PDFs.
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