# Perplexity

> AI-native research engine with citations

Source: https://aistack.sh/tool/perplexity
Category: Research
Site: https://perplexity.ai
Status: active
Last verified by a human: 2026-05-05

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

## Pricing

As published on the tool page: $20/mo Pro · API tier-based

## Alternatives

- Claude — https://aistack.sh/tool/claude
- Gemini — https://aistack.sh/tool/gemini

## Head-to-head comparisons

- [ChatGPT vs Perplexity](https://aistack.sh/compare/chatgpt-vs-perplexity) (markdown: https://aistack.sh/compare/chatgpt-vs-perplexity/llms.txt)
- [Claude vs Perplexity](https://aistack.sh/compare/claude-vs-perplexity) (markdown: https://aistack.sh/compare/claude-vs-perplexity/llms.txt)
- [Feedly vs Perplexity](https://aistack.sh/compare/feedly-vs-perplexity) (markdown: https://aistack.sh/compare/feedly-vs-perplexity/llms.txt)
- [Gemini vs Perplexity](https://aistack.sh/compare/gemini-vs-perplexity) (markdown: https://aistack.sh/compare/gemini-vs-perplexity/llms.txt)

## Used in 4 tested stacks

- [AI newsletter (Substack)](https://aistack.sh/stack/ai-newsletter-substack) — Story discovery, $53/mo
- [Faceless YouTube](https://aistack.sh/stack/faceless-youtube) — Topic + research, $92/mo
- [Live trend research](https://aistack.sh/stack/live-trend-research) — Cited primary sources, $70/mo
- [SEO content engine](https://aistack.sh/stack/seo-content-engine) — Source-backed research, $118/mo

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From aistack.sh. Last updated 2026-05-05.