Compare AI tools

	Devin A	Perplexity S	Genspark A	Luma Dream Machine A
Tagline	Cognition Labs' autonomous coding engineer.	AI search done right. Cited answers, not chat theater.	AI agent for deep search. Generates Sparkpages — full mini-reports.	Smooth, cinematic motion. Image-to-video specialist.
Category	Agents	Research	Research	Video
Pricing	$500/mo	Free + $20/mo Pro	Free + $25/mo Plus	Free + $10-$500/mo
Best for	Engineering teams offloading tickets. Ops/platform work.	Replacing Google for any question where you want a cited answer in seconds.	Travel planning, shopping comparisons, deep research where you want an artifact back.	Photographers animating stills, cinematic b-roll.
Strengths	Works like an engineer — takes Slack tasks, opens PRs Handles multi-hour engineering work Reports back with what it did	Sources every claim Fast, current answers Pro Search runs multi-step research Spaces for persistent context	Sparkpages = curated multi-source mini-articles Agent can book, compare, shop Autopilot agent for long tasks	Best image-to-video in the category Great camera motion control Ray 2 model produces striking shots
Weaknesses	Expensive Best for well-scoped tasks Not for solo hobbyists	Not a general chatbot Answers can be shallow on complex topics	Early-stage — rough edges Less reliable than Perplexity for simple questions	Prompt fidelity below Runway Queue times on free tier
Kai's verdict	A-tier for the right use case. Not for solo devs. If you manage engineers, try one license.	S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.	A-tier. Bet on this one — the Sparkpage format is genuinely new.	A-tier. Best for cinematic image-to-video. Pair with Runway for coverage.
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