Compare AI tools

	Perplexity S	Devin A	Replicate S	Lovable A
Tagline	AI search done right. Cited answers, not chat theater.	Cognition Labs' autonomous coding engineer.	Run any open-source AI model with an API call.	Build a full app from a prompt. Stripe-ready.
Category	research	agents	dev platform	design
Pricing	Free + $20/mo Pro	$500/mo	Pay per second of compute	Free + $25-$100/mo
Best for	Replacing Google for any question where you want a cited answer in seconds.	Engineering teams offloading tickets. Ops/platform work.	Developers using open-source models (Flux, SDXL, Whisper, etc).	Non-devs + solopreneurs shipping MVPs.
Strengths	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	Tens of thousands of models (image, video, audio, LLMs) One-line API for any model Cog framework for custom model deploy	Generates full apps + DB + auth Good for non-developers Ships faster than hand-coding
Weaknesses	Not a general chatbot Answers can be shallow on complex topics	Expensive Best for well-scoped tasks Not for solo hobbyists	Cold starts on less-popular models Pricing gets real at scale	Complexity ceiling Can generate brittle code
Kai's verdict	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 open-source model APIs. The default in this space.	A-tier. The strongest 'no-code' AI builder right now. Great for founder MVPs.
Link	Open →	Open →	Open →	Open →