Compare AI tools

	Perplexity S	ChatGPT Operator B	Fathom S	Replit Agent A
Tagline	AI search done right. Cited answers, not chat theater.	OpenAI's browser agent. Clicks and types on websites for you.	Meeting notes, free forever for individuals.	Replit's AI that builds + deploys full apps on their platform.
Category	research	agents	meeting	coding
Pricing	Free + $20/mo Pro	Included with ChatGPT Pro $200/mo	Free for individuals + $15-$29/user/mo teams	$10-$25/mo Core/Teams
Best for	Replacing Google for any question where you want a cited answer in seconds.	Power users willing to pay $200/mo for a browser bot.	Solo operators, freelancers, small teams on a budget.	Teachers, students, prototypers, hackathon builders.
Strengths	Sources every claim Fast, current answers Pro Search runs multi-step research Spaces for persistent context	Actually uses websites — fills forms, clicks, checks out Built into ChatGPT Good for repetitive web tasks	Unlimited free tier for solo use Strong summaries + action items Works in Zoom, Meet, Teams	Full-stack + DB + auth + deploy in one environment Great for teaching/learning Runs everything in-browser
Weaknesses	Not a general chatbot Answers can be shallow on complex topics	Slow vs doing it yourself Breaks on complex auth flows $200/mo gate	Bot-joining model Team features gated	Locked into Replit hosting Less code quality than dedicated IDEs
Kai's verdict	S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.	B-tier. Still early. Manus is more flexible for less money.	S-tier for solo + free. The best free option, hands down.	A-tier. Best for teaching a kid to code in 2026.
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