Compare AI tools

	ChatGPT Operator B	Perplexity S	Cursor S	NotebookLM S
Tagline	OpenAI's browser agent. Clicks and types on websites for you.	AI search done right. Cited answers, not chat theater.	VS Code fork that made AI coding actually work.	Google's research notebook. Turns your docs into a podcast.
Category	agents	research	coding	research
Pricing	Included with ChatGPT Pro $200/mo	Free + $20/mo Pro	Free + $20/mo Pro + $40/mo Business	Free
Best for	Power users willing to pay $200/mo for a browser bot.	Replacing Google for any question where you want a cited answer in seconds.	Developers. Non-developers who want to ship working code.	Students, researchers, anyone with a stack of PDFs or a topic to learn.
Strengths	Actually uses websites — fills forms, clicks, checks out Built into ChatGPT Good for repetitive web tasks	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	Upload anything, ask questions, get cited answers Audio Overview turns docs into a 10-min podcast Great for studying
Weaknesses	Slow vs doing it yourself Breaks on complex auth flows $200/mo gate	Not a general chatbot Answers can be shallow on complex topics	Can feel overwhelming for non-coders Expensive at scale	Google-only Can be slow on large corpora
Kai's verdict	B-tier. Still early. Manus is more flexible for less money.	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.	S-tier for study. The Audio Overview is a killer feature. Try it with three of your favorite PDFs.
Link	Open →	Open →	Open →	Open →