Compare AI tools

	Gamma A	HeyGen S	Perplexity S	Devin A
Tagline	AI slide decks that don't look AI-generated.	AI avatar videos. Record once, speak any language.	AI search done right. Cited answers, not chat theater.	Cognition Labs' autonomous coding engineer.
Category	productivity	video	research	agents
Pricing	Free + $10-$20/mo	Free + $24-$65/mo	Free + $20/mo Pro	$500/mo
Best for	Pitch decks, proposals, internal presentations — fast.	Course creators, multilingual marketers, anyone scaling video content.	Replacing Google for any question where you want a cited answer in seconds.	Engineering teams offloading tickets. Ops/platform work.
Strengths	Strong templates Decks, docs, webpages Doesn't look generic	Clone your face + voice in 2 minutes Instant translation into 40+ languages with lip sync Avatars look less uncanny than competitors	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
Weaknesses	Locked into Gamma's format Export quality varies	Pricey for serious volume Long shots still feel off Ethics — easy to misuse	Not a general chatbot Answers can be shallow on complex topics	Expensive Best for well-scoped tasks Not for solo hobbyists
Kai's verdict	A-tier. Best of a boring category. Use it for first drafts, then edit in Keynote if high-stakes.	S-tier for multilingual video. If you sell courses or speak at events, this is a cheat code.	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.
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