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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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Image
Video
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Meetings
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Productivity
Audio
Writing
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Data
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DALL-E 3
B
Claude Agent SDK
S
Ideogram
S
Lex
A
TaglineOpenAI's image model. Built into ChatGPT Plus.Anthropic's SDK for building your own agents on Claude.The one that actually gets text in images right.Google Docs with an AI collaborator baked in.
CategoryImageAgentsImageWriting
PricingIncluded with ChatGPT Plus $20/moAPI usage + SDK is freeFree + $8/mo + $20/mo + $60/moFree + $12/mo
Best forChatGPT Plus users who want images without paying extra.Developers building custom agents for their own company/product.Anything with text — posters, ads, album covers, slide decks.Essays, long-form drafts, thinking on the page.
Strengths
  • Excellent prompt understanding
  • Built into ChatGPT — no extra subscription
  • Good at composition + concepts
  • Production-grade agent primitives
  • Built on Claude (best reasoning)
  • Full control — build exactly what you need
  • Best text rendering in the game
  • Strong free tier
  • Good for logos, posters, thumbnails
  • Clean writing UX — distraction-free
  • +++ prompt triggers AI help
  • Collaboration + AI feedback together
Weaknesses
  • Aesthetic ceiling below Midjourney + Ideogram
  • Text rendering worse than Ideogram
  • No fine control
  • Developer-only
  • You build the UI
  • Aesthetic ceiling below Midjourney
  • Less style variety
  • Less feature-rich than Google Docs
  • AI ceiling below dedicated tools
Kai's verdictB-tier standalone, A-tier value if you already pay ChatGPT. Don't pay for it separately.S-tier for builders. The right primitives. What Kai is built on under the hood.S-tier for text-in-image. Use this for posters, Midjourney for art.A-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form.
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