Compare AI tools

	Perplexity S	Cursor S	ChatGPT Operator B	Runway S
Tagline	AI search done right. Cited answers, not chat theater.	VS Code fork that made AI coding actually work.	OpenAI's browser agent. Clicks and types on websites for you.	The pro's AI video tool. Gen-4 is the current bar.
Category	research	coding	agents	video
Pricing	Free + $20/mo Pro	Free + $20/mo Pro + $40/mo Business	Included with ChatGPT Pro $200/mo	Free + $15-$95/mo
Best for	Replacing Google for any question where you want a cited answer in seconds.	Developers. Non-developers who want to ship working code.	Power users willing to pay $200/mo for a browser bot.	Marketing video, pitch decks, b-roll, creative shorts.
Strengths	Sources every claim Fast, current answers Pro Search runs multi-step research Spaces for persistent context	Tab completion feels like mind-reading Composer for multi-file edits Runs Claude, GPT, Gemini — you pick	Actually uses websites — fills forms, clicks, checks out Built into ChatGPT Good for repetitive web tasks	Most mature video workflow Character consistency via Act-One Gen-4 quality is production-grade
Weaknesses	Not a general chatbot Answers can be shallow on complex topics	Can feel overwhelming for non-coders Expensive at scale	Slow vs doing it yourself Breaks on complex auth flows $200/mo gate	Expensive at scale Still needs post-editing
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 for coding. If you write code of any kind, this pays back the $20 in a day.	B-tier. Still early. Manus is more flexible for less money.	S-tier. Market leader with reason. Start here for serious video.
Link	Open →	Open →	Open →	Open →