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TaglineRun any open-source AI model with an API call.Voice AI that reads + expresses emotion.Spreadsheets with AI + live integrations baked in.AI agent for deep search. Generates Sparkpages — full mini-reports.
CategoryDev PlatformVoiceDataResearch
PricingPay per second of computeFree tier + pay-as-you-goFree + $19-$89/user/moFree + $25/mo Plus
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Therapy apps, customer service, any voice agent where emotion matters.Ops teams, marketers, anyone building dashboards from multiple sources.Travel planning, shopping comparisons, deep research where you want an artifact back.
Strengths
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • Detects + mirrors emotional tone
  • EVI (Empathic Voice Interface) feels different
  • Expressive voice output
  • 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
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Niche use case
  • Pricing ramps fast
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Early-stage — rough edges
  • Less reliable than Perplexity for simple questions
Kai's verdictS-tier for open-source model APIs. The default in this space.A-tier in its niche. The only one that actually gets emotion right.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.A-tier. Bet on this one — the Sparkpage format is genuinely new.
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