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OpenRouter
S
Perplexity
S
Devin
A
Rows
A
TaglineOne API, every model. Pay-as-you-go, no subscriptions.AI search done right. Cited answers, not chat theater.Cognition Labs' autonomous coding engineer.Spreadsheets with AI + live integrations baked in.
CategoryDev PlatformResearchAgentsData
PricingPay per token — model-dependentFree + $20/mo Pro$500/moFree + $19-$89/user/mo
Best forDevelopers experimenting across models. Apps that want fallback logic.Replacing Google for any question where you want a cited answer in seconds.Engineering teams offloading tickets. Ops/platform work.Ops teams, marketers, anyone building dashboards from multiple sources.
Strengths
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
Weaknesses
  • Slight markup over direct API
  • Some provider features not exposed
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
Kai's verdictS-tier for model-shopping. I use this for every prototype before committing.S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.A-tier for the right use case. Not for solo devs. If you manage engineers, try one license.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.
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