Compare AI tools

	Perplexity S	Hex A	Kling A	HeyGen S
Tagline	AI search done right. Cited answers, not chat theater.	Modern data notebook with Magic AI assistant.	Kuaishou's video model. The surprise standout.	AI avatar videos. Record once, speak any language.
Category	Research	Data	Video	Video
Pricing	Free + $20/mo Pro	Free + $28+/user/mo	Credit-based, free trial	Free + $24-$65/mo
Best for	Replacing Google for any question where you want a cited answer in seconds.	Data teams at startups + enterprises.	Anyone who wants top-tier video quality for less.	Course creators, multilingual marketers, anyone scaling video content.
Strengths	Sources every claim Fast, current answers Pro Search runs multi-step research Spaces for persistent context	SQL + Python + no-code in one notebook Magic AI writes queries + viz for you Team-grade collaboration	Very strong motion + physics Often beats Runway on realism Great price	Clone your face + voice in 2 minutes Instant translation into 40+ languages with lip sync Avatars look less uncanny than competitors
Weaknesses	Not a general chatbot Answers can be shallow on complex topics	Overkill for casual users Enterprise pricing	UX is rough for English speakers Queue times	Pricey for serious volume Long shots still feel off Ethics — easy to misuse
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 for data teams. S-tier if you already live in SQL + Python.	A-tier. Rising fast. If you can tolerate the UX, quality per dollar is best-in-class.	S-tier for multilingual video. If you sell courses or speak at events, this is a cheat code.
Link	Open →	Open →	Open →	Open →