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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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Taskade
B
Rows
A
OpenRouter
S
Cartesia
S
TaglineAI project management with agents for each team.Spreadsheets with AI + live integrations baked in.One API, every model. Pay-as-you-go, no subscriptions.Ultra-low-latency voice. Built for realtime agents.
CategoryProductivityDataDev PlatformVoice
PricingFree + $8-$20/user/moFree + $19-$89/user/moPay per token — model-dependentFree tier + usage-based API
Best forSmall teams wanting AI baked into project management.Ops teams, marketers, anyone building dashboards from multiple sources.Developers experimenting across models. Apps that want fallback logic.Developers building voice agents, phone bots, interactive apps.
Strengths
  • Custom AI agents per project
  • Doc + tasks + kanban in one
  • Affordable for teams
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
  • < 90ms latency — the fastest in the market
  • Sonic model sounds natural
  • Developer-friendly API
Weaknesses
  • Feature sprawl
  • AI agents need tuning to be useful
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Slight markup over direct API
  • Some provider features not exposed
  • Fewer voices than ElevenLabs
  • Less consumer-facing brand
Kai's verdictB-tier. Solid product but crowded market. Try it if Notion AI feels too generic.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.S-tier for model-shopping. I use this for every prototype before committing.S-tier for realtime. If latency matters more than voice catalog, start here.
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