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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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Dev Platform
Audio
Research
Agents
Coding
Chatbots
Image
Video
Voice
Meetings
Design
Productivity
Writing
Data
Marketing
Education
DALL-E 3
B
Perplexity
S
Khanmigo
S
Fathom
S
TaglineOpenAI's image model. Built into ChatGPT Plus.AI search done right. Cited answers, not chat theater.Khan Academy's AI tutor. Socratic method, built for learning.Meeting notes, free forever for individuals.
CategoryImageResearchEducationMeetings
PricingIncluded with ChatGPT Plus $20/moFree + $20/mo Pro$4/mo (free for teachers)Free for individuals + $15-$29/user/mo teams
Best forChatGPT Plus users who want images without paying extra.Replacing Google for any question where you want a cited answer in seconds.Students K-12. Parents helping with homework. Teachers prepping lessons.Solo operators, freelancers, small teams on a budget.
Strengths
  • Excellent prompt understanding
  • Built into ChatGPT — no extra subscription
  • Good at composition + concepts
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Socratic — doesn't give answers, asks questions
  • Trusted by schools + parents
  • Integrated with Khan Academy curriculum
  • Unlimited free tier for solo use
  • Strong summaries + action items
  • Works in Zoom, Meet, Teams
Weaknesses
  • Aesthetic ceiling below Midjourney + Ideogram
  • Text rendering worse than Ideogram
  • No fine control
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • K-12 focus (not deep for adults)
  • Slower than general chatbots
  • Bot-joining model
  • Team features gated
Kai's verdictB-tier standalone, A-tier value if you already pay ChatGPT. Don't pay for it separately.S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.S-tier for kids learning. The tutoring UX is legit — not a generic chatbot dressed up.S-tier for solo + free. The best free option, hands down.
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