Research

Perplexity

8.7

Spark Score · Free / $20/mo (Pro)

Best AI search engine — actually cites sources

What operators should know

AI-powered search engine that answers questions with cited sources. Pro tier includes multi-step research, file upload, and image generation.

The default recommendation for anyone who needs quick, sourced research.

Pricing model

freemium

Website

Last updated

March 14, 2026

Full review coming soon. Join the list and we'll send it when it publishes.

7.8

Best for academic paper research and systematic reviews

7.4

AI-powered academic search — good for quick evidence checks

6.5

Experimental article generator from research — rough but promising

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