Compare AI tools

	Perplexity S	Kling A	ChatGPT Operator B	Khanmigo S
Tagline	AI search done right. Cited answers, not chat theater.	Kuaishou's video model. The surprise standout.	OpenAI's browser agent. Clicks and types on websites for you.	Khan Academy's AI tutor. Socratic method, built for learning.
Category	Research	Video	Agents	Education
Pricing	Free + $20/mo Pro	Credit-based, free trial	Included with ChatGPT Pro $200/mo	$4/mo (free for teachers)
Best for	Replacing Google for any question where you want a cited answer in seconds.	Anyone who wants top-tier video quality for less.	Power users willing to pay $200/mo for a browser bot.	Students K-12. Parents helping with homework. Teachers prepping lessons.
Strengths	Sources every claim Fast, current answers Pro Search runs multi-step research Spaces for persistent context	Very strong motion + physics Often beats Runway on realism Great price	Actually uses websites — fills forms, clicks, checks out Built into ChatGPT Good for repetitive web tasks	Socratic — doesn't give answers, asks questions Trusted by schools + parents Integrated with Khan Academy curriculum
Weaknesses	Not a general chatbot Answers can be shallow on complex topics	UX is rough for English speakers Queue times	Slow vs doing it yourself Breaks on complex auth flows $200/mo gate	K-12 focus (not deep for adults) Slower than general chatbots
Kai's verdict	S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.	A-tier. Rising fast. If you can tolerate the UX, quality per dollar is best-in-class.	B-tier. Still early. Manus is more flexible for less money.	S-tier for kids learning. The tutoring UX is legit — not a generic chatbot dressed up.
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