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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
ChatGPT Operator
B
Claude Agent SDK
S
Sora
A
TaglineGoogle Docs with an AI collaborator baked in.OpenAI's browser agent. Clicks and types on websites for you.Anthropic's SDK for building your own agents on Claude.OpenAI's video model. Long clips, cinematic quality.
CategoryWritingAgentsAgentsVideo
PricingFree + $12/moIncluded with ChatGPT Pro $200/moAPI usage + SDK is freeIncluded with ChatGPT Plus/Pro
Best forEssays, long-form drafts, thinking on the page.Power users willing to pay $200/mo for a browser bot.Developers building custom agents for their own company/product.ChatGPT subscribers experimenting with cinematic shots.
Strengths
  • Clean writing UX — distraction-free
  • +++ prompt triggers AI help
  • Collaboration + AI feedback together
  • Actually uses websites — fills forms, clicks, checks out
  • Built into ChatGPT
  • Good for repetitive web tasks
  • Production-grade agent primitives
  • Built on Claude (best reasoning)
  • Full control — build exactly what you need
  • Up to 20-sec clips at 1080p
  • Strong physics + scene composition
  • Storyboard feature for longer narratives
  • Remix existing videos
Weaknesses
  • Less feature-rich than Google Docs
  • AI ceiling below dedicated tools
  • Slow vs doing it yourself
  • Breaks on complex auth flows
  • $200/mo gate
  • Developer-only
  • You build the UI
  • Stricter content policy than competitors
  • Hit-or-miss on complex motion
  • Text-in-video still struggles
Kai's verdictA-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form.B-tier. Still early. Manus is more flexible for less money.S-tier for builders. The right primitives. What Kai is built on under the hood.A-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros.
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