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TaglineRun any open-source AI model with an API call.Spreadsheets with AI + live integrations baked in.AI agent for deep search. Generates Sparkpages — full mini-reports.Autonomous AI agent that actually finishes tasks.
CategoryDev PlatformDataResearchAgents
PricingPay per second of computeFree + $19-$89/user/moFree + $25/mo PlusFree tier + $39-$199/mo
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Ops teams, marketers, anyone building dashboards from multiple sources.Travel planning, shopping comparisons, deep research where you want an artifact back.People who want to hand off tasks entirely — trip planning, research, spreadsheet building.
Strengths
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Sparkpages = curated multi-source mini-articles
  • Agent can book, compare, shop
  • Autopilot agent for long tasks
  • General-purpose agent — research, book, build, analyze
  • Parallel task execution
  • Web browsing + file creation + coding
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Early-stage — rough edges
  • Less reliable than Perplexity for simple questions
  • Still hit-or-miss on complex multi-hour tasks
  • Can burn credits fast
Kai's verdictS-tier for open-source model APIs. The default in this space.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.A-tier. Bet on this one — the Sparkpage format is genuinely new.S-tier in the agent category. The first one I'd give to a non-technical friend.
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