Compare AI tools

	ChatGPT Operator B	Perplexity S	Devin A	Fathom S
Tagline	OpenAI's browser agent. Clicks and types on websites for you.	AI search done right. Cited answers, not chat theater.	Cognition Labs' autonomous coding engineer.	Meeting notes, free forever for individuals.
Category	agents	research	agents	meeting
Pricing	Included with ChatGPT Pro $200/mo	Free + $20/mo Pro	$500/mo	Free for individuals + $15-$29/user/mo teams
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.	Engineering teams offloading tickets. Ops/platform work.	Solo operators, freelancers, small teams on a budget.
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	Works like an engineer — takes Slack tasks, opens PRs Handles multi-hour engineering work Reports back with what it did	Unlimited free tier for solo use Strong summaries + action items Works in Zoom, Meet, Teams
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	Expensive Best for well-scoped tasks Not for solo hobbyists	Bot-joining model Team features gated
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.	A-tier for the right use case. Not for solo devs. If you manage engineers, try one license.	S-tier for solo + free. The best free option, hands down.
Link	Open →	Open →	Open →	Open →