AI Ecosystem Directory

Every AI tool worth knowing

Profiles with pricing, features, pros and cons, difficulty, use cases, tutorials and alternatives. Prices are re-read from each vendor's own pricing page every day.

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PX
Perplexity

AI Search

An answer engine that cites its sources, with Deep Research reports and focus modes for academic work.

Beginner
Free tier
API
4.6from $20/mo
CS
Consensus

AI Search

Search engine over peer-reviewed research papers with consensus meters and study summaries.

Intermediate
Free tier
4.2from $12/mo
YC
You.com

AI Search

Multi-model AI search workspace where you can switch between frontier models and custom agents.

Intermediate
Free tier
API
4.0from $20/mo

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