Compare AI tools

	Perplexity S	Raycast AI S	Kling A	HeyGen S
Tagline	AI search done right. Cited answers, not chat theater.	Mac launcher + AI. Command-bar genius.	Kuaishou's video model. The surprise standout.	AI avatar videos. Record once, speak any language.
Category	Research	Productivity	Video	Video
Pricing	Free + $20/mo Pro	Free (app) + $10/mo AI	Credit-based, free trial	Free + $24-$65/mo
Best for	Replacing Google for any question where you want a cited answer in seconds.	Power users on Mac who type a lot.	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	Invoke AI from anywhere on Mac with a hotkey Choose your model (Claude, GPT, etc.) AI Commands for repeatable workflows	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	Mac-only Monthly AI sub on top of free app	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.	S-tier if you're on Mac. The fastest way to get AI answers without context-switching.	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 →