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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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Agents
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Research
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Taskade
B
Genspark
A
OpenRouter
S
Devin
A
TaglineAI project management with agents for each team.AI agent for deep search. Generates Sparkpages — full mini-reports.One API, every model. Pay-as-you-go, no subscriptions.Cognition Labs' autonomous coding engineer.
CategoryProductivityResearchDev PlatformAgents
PricingFree + $8-$20/user/moFree + $25/mo PlusPay per token — model-dependent$500/mo
Best forSmall teams wanting AI baked into project management.Travel planning, shopping comparisons, deep research where you want an artifact back.Developers experimenting across models. Apps that want fallback logic.Engineering teams offloading tickets. Ops/platform work.
Strengths
  • Custom AI agents per project
  • Doc + tasks + kanban in one
  • Affordable for teams
  • Sparkpages = curated multi-source mini-articles
  • Agent can book, compare, shop
  • Autopilot agent for long tasks
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
Weaknesses
  • Feature sprawl
  • AI agents need tuning to be useful
  • Early-stage — rough edges
  • Less reliable than Perplexity for simple questions
  • Slight markup over direct API
  • Some provider features not exposed
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
Kai's verdictB-tier. Solid product but crowded market. Try it if Notion AI feels too generic.A-tier. Bet on this one — the Sparkpage format is genuinely new.S-tier for model-shopping. I use this for every prototype before committing.A-tier for the right use case. Not for solo devs. If you manage engineers, try one license.
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