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Compare AI tools

Side-by-side: what they do, what they cost, what Kai actually thinks. Pass up to 4 tools via ?tools=claude,chatgpt,gemini.
Pick tools (3 selected)
Chatbots
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Agents
Dev Platform
Data
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ChatGPT Operator
B
Writesonic
B
Hume AI
A
TaglineOpenAI's browser agent. Clicks and types on websites for you.SEO-first AI writer. Optimized for ranking content.Voice AI that reads + expresses emotion.
CategoryAgentsMarketingVoice
PricingIncluded with ChatGPT Pro $200/moFree + $15-$99/moFree tier + pay-as-you-go
Best forPower users willing to pay $200/mo for a browser bot.Content marketers churning out SEO articles.Therapy apps, customer service, any voice agent where emotion matters.
Strengths
  • Actually uses websites — fills forms, clicks, checks out
  • Built into ChatGPT
  • Good for repetitive web tasks
  • SEO built-in (Surfer integration)
  • Article generator for long-form
  • Chatsonic for research
  • Detects + mirrors emotional tone
  • EVI (Empathic Voice Interface) feels different
  • Expressive voice output
Weaknesses
  • Slow vs doing it yourself
  • Breaks on complex auth flows
  • $200/mo gate
  • Output quality behind Claude for polish
  • SEO automation can produce generic content
  • Niche use case
  • Pricing ramps fast
Kai's verdictB-tier. Still early. Manus is more flexible for less money.B-tier. Use Claude + manual SEO thinking. Writesonic is fast but generic.A-tier in its niche. The only one that actually gets emotion right.
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