Compare AI tools

	Kling A	Perplexity S	Sora A	ChatGPT Operator B
Tagline	Kuaishou's video model. The surprise standout.	AI search done right. Cited answers, not chat theater.	OpenAI's video model. Long clips, cinematic quality.	OpenAI's browser agent. Clicks and types on websites for you.
Category	Video	Research	Video	Agents
Pricing	Credit-based, free trial	Free + $20/mo Pro	Included with ChatGPT Plus/Pro	Included with ChatGPT Pro $200/mo
Best for	Anyone who wants top-tier video quality for less.	Replacing Google for any question where you want a cited answer in seconds.	ChatGPT subscribers experimenting with cinematic shots.	Power users willing to pay $200/mo for a browser bot.
Strengths	Very strong motion + physics Often beats Runway on realism Great price	Sources every claim Fast, current answers Pro Search runs multi-step research Spaces for persistent context	Up to 20-sec clips at 1080p Strong physics + scene composition Storyboard feature for longer narratives Remix existing videos	Actually uses websites — fills forms, clicks, checks out Built into ChatGPT Good for repetitive web tasks
Weaknesses	UX is rough for English speakers Queue times	Not a general chatbot Answers can be shallow on complex topics	Stricter content policy than competitors Hit-or-miss on complex motion Text-in-video still struggles	Slow vs doing it yourself Breaks on complex auth flows $200/mo gate
Kai's verdict	A-tier. Rising fast. If you can tolerate the UX, quality per dollar is best-in-class.	S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.	A-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros.	B-tier. Still early. Manus is more flexible for less money.
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