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USE CASE / RESEARCH

AI for research

Answer engines and notebook tools that search, summarize and cite sources.

ChatGPT

OpenAI

Verified

A large language model chat assistant from OpenAI for text generation, Q&A, translation, coding, and more.

4.7(25K)
Freemium
ChatText generationCoding

Claude

Anthropic

Verified

Anthropic's AI assistant, known for safety and helpfulness, with particular strength in long-form text and analysis.

4.7(15K)
Freemium
ChatSafetyLong context

DeepSeek

DeepSeek

Verified

An open-weight AI assistant from DeepSeek, whose R1 reasoning model (2025) matches frontier performance at a fraction of the cost and is fully released on GitHub.

4.7(9.2K)
Free
ChatReasoningOpen source

NotebookLM

Google

Verified

Google's AI research and note-taking assistant that grounds answers in your own sources and turns them into Audio Overviews (AI podcasts).

4.7(8.6K)
Freemium
ResearchNotesPodcast

Perplexity

Perplexity

Verified

An AI-powered search engine that delivers real-time answers with cited sources.

4.6(8.5K)
Freemium
SearchResearchReal-time

Gemini

Google

Verified

Google's multimodal AI model with support for text, image, audio, and video understanding.

4.5(18K)
Freemium
ChatMultimodalGoogle

Grok

xAI

Verified

The AI assistant from xAI with real-time knowledge from X, strong reasoning modes, and image understanding, available on grok.com and inside X.

4.5(7.4K)
Freemium
ChatReasoningReal-time

Kimi

Moonshot AI

Verified

An AI assistant from Moonshot AI, known for ultra-long context. Its Kimi K2 model family (2025) is released as open weights on GitHub.

4.5(6.8K)
Freemium
ChatLong contextOpen source

SciSpace

SciSpace (PubGenius)

Verified

An AI research assistant that explains papers in plain language as you read, answers questions grounded in the PDF, searches 280M+ papers conversationally and formats citations automatically.

4.5(3.8K)
Freemium
ResearchPapersStudents

Julius

Julius AI

Verified

An AI data analyst: upload spreadsheets or connect databases, then chat to clean, analyze and visualize data — with real Python execution under the hood and shareable reports out.

4.5(1.9K)
Freemium
Data analysisVisualizationNo-code

Tavily

Tavily

Verified

A search API purpose-built for LLMs and RAG: one call returns ranked, content-ready web results optimized for retrieval — the plug-and-play web tool of countless agent frameworks.

4.5(1.1K)
Pay-as-you-go
Search APIRAGDeveloper

Exa

Exa AI

Verified

A search engine built for AI: an API that returns clean, semantically relevant web content — page contents, not ad-laced result lists — designed to be read by models rather than humans.

4.5(900)
Pay-as-you-go
Search APIAgentsDeveloper

Monica

Butterfly Effect

Verified

An all-in-one AI assistant extension and app that puts chat, page and video summaries, writing help, translation and image tools one keystroke away on any site.

4.4(12K)
Freemium
AssistantBrowser extensionAll-in-one

Mistral

Mistral AI

Verified

Le Chat, Mistral AI's European assistant, with frontier-speed inference, open-weight model options, web search, coding help and EU data residency.

4.4(3.4K)
Freemium
ChatOpen sourceEuropean

Metaso

Metaso (秘塔科技)

Verified

China's ad-free AI answer engine: searches across the web and academic sources, then answers with structured, cited pages — strong Chinese-language research that reads like a report, not a link farm.

4.4(2.4K)
Freemium
AI searchChineseCitations

Genspark

MainFunc

Verified

An agent-first search and workspace: AI pages assembled live from search, a super agent that chains tools to complete tasks, and AI sheets/calls that act more like employees than chatbots.

4.4(2.2K)
Freemium
Agent searchWorkspaceAutomation

Brave Search API

Brave Software

Verified

An independent search index exposed as an API: privacy-first Google-alternative results with web, news, image and local endpoints — the independent-data option in the AI search stack.

4.4(650)
Pay-as-you-go
Search APIIndependent indexPrivacy

Poe

Quora

Verified

Quora's multi-model AI platform bundling ChatGPT, Claude, Gemini and dozens of other chatbots — plus user-created custom bots — into one subscription and interface.

4.3(7.2K)
Freemium
AggregatorChatMulti-model

Tencent Yuanbao

Tencent

Verified

Tencent's consumer AI assistant: Hunyuan-powered chat, deep research and document Q&A wired into WeChat — now one of China's most-downloaded AI apps.

4.3(3.8K)
Free
Chinese AIChatWeChat

ChatLLM

Abacus.AI

Verified

Abacus.AI's all-in-one assistant: frontier LLM chat, image and video generation, deep-research agents and an enterprise ML platform behind one subscription.

4.3(1.2K)
Freemium
AssistantAggregatorEnterprise

Venice

Venice.ai

Verified

A privacy-first chat and image-generation platform running open-source models without logging your conversations — positioned as an uncensored alternative to mainstream assistants.

4.3(950)
Freemium
PrivacyChatImage generation

ERNIE Bot

Baidu

Verified

Baidu's flagship AI assistant (文心一言): chat, multimodal generation and deep integration with Baidu Search and its cloud AI stack, tuned for Chinese-language work and domestic compliance.

4.2(5.6K)
Freemium
ChatChinese AISearch grounding

iFlytek Spark

iFLYTEK

Verified

iFLYTEK's cognitive model assistant, built on China's leader in speech technology: strongest voice interaction, deep education and office integrations, and open API access through the Spark platform.

4.2(2.6K)
Freemium
Chinese AIVoiceEducation

You.com

You.com

Verified

An AI search and chat platform that answers with citations, combining web results with multiple language models.

4.1(4K)
Freemium
AI searchChatCitations

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