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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
Genspark
A
GitHub Copilot
B
Rows
A
TaglineOpen weights + strong photorealism. The open-source answer.AI agent for deep search. Generates Sparkpages — full mini-reports.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.Spreadsheets with AI + live integrations baked in.
Categoryimageresearchcodingdata
PricingAPI + open weights (Schnell is Apache 2.0)Free + $25/mo PlusFree (limited) + $10/mo Pro + $19/mo BusinessFree + $19-$89/user/mo
Best forDevelopers + power users who want control and privacy.Travel planning, shopping comparisons, deep research where you want an artifact back.Teams with GitHub already. Devs who don't want to change IDEs.Ops teams, marketers, anyone building dashboards from multiple sources.
Strengths
  • Runs locally on a beefy GPU
  • Very photoreal
  • Best open-weight model
  • Sparkpages = curated multi-source mini-articles
  • Agent can book, compare, shop
  • Autopilot agent for long tasks
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
Weaknesses
  • Harder to use than hosted tools
  • Needs infra
  • Early-stage — rough edges
  • Less reliable than Perplexity for simple questions
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
Kai's verdictA-tier. S-tier if you self-host. The reason open-source image gen matters.A-tier. Bet on this one — the Sparkpage format is genuinely new.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.
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