Research

Perplexity

Search that returns synthesized answers with sources. The research front end behind a lot of newsletter and content stacks.

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The pitch
AI-native research engine with citations
Pricing
$20/mo Pro · API tier-based
Used in 3 stacks
Faceless YouTube
Role: Topic + research
$45/mo
AI newsletter (Substack)
Role: Story discovery
$20/mo
Live trend research
Role: Cited primary sources
$0/mo
Alternatives
Claude
Frontier LLM with the best long-form writing voice
$20/mo Pro
Gemini
Google's multimodal LLM with very long context
$20/mo Advanced