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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 (4 selected)
Coding
Agents
Research
Chatbots
Image
Video
Voice
Meetings
Design
Productivity
Audio
Writing
Dev Platform
Data
Marketing
Education
Lex
A
Kling
A
Udio
A
ChatGPT Operator
B
TaglineGoogle Docs with an AI collaborator baked in.Kuaishou's video model. The surprise standout.Suno's main rival. Often better on instrumental nuance.OpenAI's browser agent. Clicks and types on websites for you.
CategoryWritingVideoAudioAgents
PricingFree + $12/moCredit-based, free trialFree + $10-$30/moIncluded with ChatGPT Pro $200/mo
Best forEssays, long-form drafts, thinking on the page.Anyone who wants top-tier video quality for less.Musicians comparing AI outputs. Anyone who didn't click with Suno.Power users willing to pay $200/mo for a browser bot.
Strengths
  • Clean writing UX — distraction-free
  • +++ prompt triggers AI help
  • Collaboration + AI feedback together
  • Very strong motion + physics
  • Often beats Runway on realism
  • Great price
  • Strong instrumentals + genre fidelity
  • Extend/remix features
  • Good lyric understanding
  • Actually uses websites — fills forms, clicks, checks out
  • Built into ChatGPT
  • Good for repetitive web tasks
Weaknesses
  • Less feature-rich than Google Docs
  • AI ceiling below dedicated tools
  • UX is rough for English speakers
  • Queue times
  • Same copyright gray zone as Suno
  • Ecosystem smaller
  • Slow vs doing it yourself
  • Breaks on complex auth flows
  • $200/mo gate
Kai's verdictA-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form.A-tier. Rising fast. If you can tolerate the UX, quality per dollar is best-in-class.A-tier. Genuinely different vibe from Suno — worth trying both for a month.B-tier. Still early. Manus is more flexible for less money.
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