SciSpace

D

DeepSeek

Freemium

High-performance open-weight Chinese AI assistant and reasoning model.

K

Kimi

Freemium

Moonshot AI's assistant with a huge context window and strong Chinese.

R

Revisely

Freemium

AI study tool for notes, flashcards and quizzes.

S

STORM

Free

Stanford tool that writes Wikipedia-style articles from questions.

A

AskYourPDF

Freemium

Chat with documents and extract answers instantly.

P

Perplexity

Freemium

AI search engine that answers with cited sources.