ChatGPT
Not available in HKFreemium
One of the most widely used AI assistants — writing, analysis, coding and images in one place.
Best for: Everyone, Professionals, Students
Everyday Q&AWriting
Research & Data
Academic search, literature review, data analysis and business research.· 11 tools
AI AssistantsContent CreationOffice & ProductivityLearning & EducationAI Learning ResourcesAI AgentsImage & DesignVideo & Short DramaAI AvatarsMusic & VoiceCoding & DevelopmentResearch & DataBusiness & EnterpriseAutomation & IntegrationTrending Open-Source AI
tools
Google Gemini
Available in HKFreemium
Google's multimodal assistant, deeply integrated with Search and Google apps — the web app now officially supports Hong Kong.
Best for: Everyone, Students, Professionals
Everyday Q&AWriting
Perplexity
Available in HKFreemium
An AI answer engine that cites its sources, so answers are quick and checkable.
Best for: Professionals, Students, Researchers
Web searchDeep research
Kimi
UnverifiedFreemium
A Chinese-first assistant strong at long documents, deep research and agent tasks.
Best for: Students, Professionals, Researchers
Everyday Q&ADeep research
Gemini Notebook（NotebookLM）
Not available in HKFreemium
An AI research assistant grounded in the sources you upload (formerly NotebookLM).
Best for: Students, Teachers, Researchers
Learn from your filesKnowledge base
Clay
UnverifiedFreemium
A growth platform that combines 100+ data sources with AI research on prospects.
Best for: Marketers, Founders, Enterprise teams
Sales & leadsDeep research
Elicit
UnverifiedFreemium
An AI research assistant to find papers, extract data and support systematic reviews.
Best for: Researchers, Students
Academic papersDeep research
Consensus
UnverifiedFreemium
An AI academic search engine that answers questions from peer-reviewed papers.
Best for: Researchers, Students, Teachers
Academic papersDeep research
Julius AI
UnverifiedFreemium
Upload a spreadsheet and chat your way to cleaning, statistics and charts.
Best for: Professionals, Students, Researchers
Data analysisSpreadsheets
Semantic Scholar
UnverifiedFree
Ai2's free AI-powered academic search engine covering hundreds of millions of papers.
Best for: Researchers, Students
Academic papers
DeerFlow
Available in HKFree
ByteDance's open-source long-horizon 'super agent' harness that researches, codes and creates.
Open sourcebytedance/deer-flow85,322 Stars
Best for: Developers, Researchers
AI agentsDeep research