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AI search and research tools
Best AI for web search · academic research
Most upvoted of all time
- 1
ChatGPTGeneral-purpose chat assistant for writing, analysis, coding, images and web answers
- 2
GeminiGoogle's assistant, connected to Gmail, Docs, Drive and other Google apps
- 3
Microsoft CopilotMicrosoft's assistant for web answers and help inside Windows and Microsoft 365
PerplexityAnswer engine that searches the web and replies with cited sources
Google AI ModeConversational mode in Google Search that answers follow-up questions with links
NotebookLMResearch notebook that answers questions only from the sources you upload
- You.com
AI search and research assistant with multiple models and deep-research mode
ConsensusSearches peer-reviewed studies and summarizes what the evidence says
ElicitResearch assistant for finding papers and running systematic literature reviews
KagiPaid, ad-free search engine with a built-in multi-model assistant
AliceYandex's Russian-language assistant powered by YandexGPT
- AlphaSense
AI market-intelligence search and research agents over filings, transcripts, and expert calls
- Anara
AI research workspace to search, read and cite papers (formerly Unriddle)
AndiVisual AI search that shows answers as cards with summaries, without ads
- Aria
Free AI assistant built into the Opera browser for chat, search, and page summaries
- Asta
Open AI agent for finding papers and writing cited literature summaries
- Baidu AI Search
Baidu search app with ERNIE-powered AI answers and assistant
Brave LeoPrivate assistant built into the Brave browser for page summaries and questions
Brave SearchIndependent-index search engine with AI answers and privacy focus
- BrowserOS
Open-source Chromium browser that runs AI agents with local or cloud models
CometFree AI browser whose assistant researches, summarizes and acts on web pages
Connected PapersVisual graph of papers related to a starting paper for literature discovery
DiaAI browser that lets you chat with your tabs and connected work apps
ExaSearch engine and API built for AI apps and agents rather than people
FeloJapanese AI search engine with cross-language search and paper translation
GensparkAI search and super-agent that produces Sparkpages, slides and research reports
- Glean
Enterprise AI assistant and agent platform that searches across all company apps
GrokxAI's chatbot with real-time access to posts on X and the web
- HARPA AI
Browser agent extension that automates web tasks, monitors pages, and chats with sites
- Hebbia
AI agents that read and analyze large document sets for finance and legal teams
iAskFree answer engine aimed at students and homework questions
KimiMoonshot's assistant for long documents, web research and agentic tasks
KomoAd-free AI search with chat, explore and quick search modes
Le ChatMistral's European chat assistant with web search, documents and agents
LinerAI search for students and researchers that cites reliable sources
- Litmaps
Visual literature-mapping tool that finds related papers via citations
MetasoChinese AI search engine without ads that builds structured, cited answers
- Microsoft Bing
Web search engine with Copilot Search AI answers and chat built in
- Microsoft Edge
Web browser with Copilot built in for multi-tab reasoning, page summaries and Journeys
MorphicOpen-source AI answer engine with a generative interface
OpenEvidenceMedical answer engine for clinicians, citing peer-reviewed literature
PaperguideResearch assistant for finding, reading and citing academic papers
- Parallel
Web search and deep-research APIs designed for AI agents
- Peec AI
AI search visibility analytics: brand mentions, rankings and sources in LLM answers
- Perplexity Computer
Multi-model agent that runs long research, browsing, and app tasks end to end
- Profound
Tracks and improves how brands appear in ChatGPT, Perplexity and other AI answers
- QQ Browser
Mobile and desktop browser with built-in AI search and assistant
- Quark
Alibaba's AI super-app combining Qwen-powered chat, search, and document tools
ResearchRabbitMaps citation networks around seed papers and tracks new related work
- Scholar Labs
AI search mode in Google Scholar that answers detailed research questions
SciSpacePaper search and reading assistant that explains PDFs, tables and math
sciteShows whether later papers support, contrast or just mention a cited claim
- Seekee
Mobile AI search and assistant app with one bar for search, chat, translation and images
Semantic ScholarFree academic search engine with AI paper summaries and citation graphs
- Sider
AI sidebar for the browser with multi-model chat, reading, translation, and writing help
SourcegraphCode search and understanding platform for large codebases, with AI built in for enterprises
STORMFree research tool that writes Wikipedia-style cited reports on a topic
- Tavily
Web search and extraction API built for AI agents and LLM apps
Tencent YuanbaoTencent's assistant linked with WeChat content and search
UndermindAgent that reads hundreds of papers to find the most relevant literature
Wolfram|AlphaComputational answer engine for math, science and data questions
- Yandex Browser
Web browser with the Alice AI assistant for summaries, translation and answers