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Research

58 AI tools·23 verified·7 free
Claude

Claude

Freemium

Anthropic's safe and helpful AI assistant

Analyzing long documents and reportsWriting and editing long-form content
claude.aiVisit
Perplexity AI

Perplexity AI

FreemiumNew

AI-powered search engine with cited answers

Replacing Google with cited answersResearch with up-to-date sources
perplexity.aiVisit
Mistral AI

Mistral AI

FreemiumNew

Powerful open-source and commercial language models from Europe

Cost-efficient LLM API deploymentSelf-hosted AI applications
mistral.aiVisit
NotebookLM

NotebookLM

FreeNew

Google's AI-powered research and note-taking assistant

Analyzing research papers and reportsStudying from course materials
notebooklm.google.comVisit
Notion AI

Notion AI

Paid

AI writing and productivity features built into Notion

Creating wikis, docs, and project plansTeam knowledge management and documentation
notion.soVisit
Gemini

Gemini

Freemium

Google's multimodal AI assistant

Analyzing very long documentsMultimodal research tasks
gemini.google.comVisit
Perplexity Pro

Perplexity Pro

Freemium

AI-powered research assistant with real-time search

Replacing Google with cited answersResearch with up-to-date sources
perplexity.aiVisit
Cohere

Cohere

Freemium

Enterprise NLP platform with powerful language models

Building enterprise NLP applicationsSemantic search over documents
cohere.comVisit
Hugging Face

Hugging Face

Freemium

The GitHub of AI — models, datasets, and spaces

Discovering and downloading AI modelsSharing research and models
huggingface.coVisit
Apollo IO

Apollo IO

Freemium

Sales intelligence and engagement platform with AI

Finding and contacting prospectsBuilding targeted lead lists
apollo.ioVisit
Perplexity Spaces

Perplexity Spaces

FreemiumNew

Collaborative AI research workspaces by Perplexity

Team research collaborationOrganizing research by project
perplexity.aiVisit
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Poe

Poe

Freemium

Multi-model AI chat platform by Quora

Using multiple AI models in one placeComparing AI responses
poe.comVisit
Elicit

Elicit

Freemium

AI research assistant for literature review

Systematic literature reviews for academiaClinical and medical research evidence gathering
elicit.orgVisit
Grok

Grok

Freemium

xAI's witty and irreverent AI assistant with real-time X/Twitter data access.

Getting real-time information from the webDeep reasoning tasks
grok.x.aiVisit
DeepSeek

DeepSeek

FreemiumNew

Powerful open-source AI model from China rivaling top proprietary models.

Using powerful AI at lower costCode generation and debugging
deepseek.comVisit
Phind Pro

Phind Pro

Freemium

AI search engine specifically built for software developers.

Finding coding solutions quicklyTechnical research and learning
phind.comVisit
Consensus

Consensus

Freemium

AI search engine that searches scientific research papers.

Finding scientific consensus on topicsResearch literature review
consensus.appVisit
Weights & Biases

Weights & Biases

Freemium

MLOps platform for tracking AI experiments and model management.

Tracking ML experiments systematicallyModel version management
wandb.aiVisit
Alphasense

Alphasense

Paid

AI-powered market intelligence and research platform for finance.

Equity and credit research by investment analystsCorporate strategy and competitive intelligence
alpha-sense.comVisit
Perplexity Pro Search

Perplexity Pro Search

Paid

AI research tool with deep search, citations, and Pro Search features.

Research with cited sourcesReal-time information gathering
perplexity.aiVisit
You.com Research

You.com Research

Freemium

AI search engine with deep research mode and academic citations.

AI-enhanced web searchingDeep research with AI analysis
you.comVisit
SciSpace

SciSpace

Freemium

AI research tool for reading, understanding, and exploring papers.

Understanding scientific papers fasterAcademic literature discovery
typeset.ioVisit
Connected Papers

Connected Papers

Freemium

AI visual graph tool for exploring academic papers and related research.

Exploring academic literature networksFinding related research papers
connectedpapers.comVisit
You.com

You.com

Freemium

AI-powered search engine with direct, cited answers

Factual research with trusted cited sourcesTechnical and coding queries
you.comVisit

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About Research AI Tools

Browse our curated list of the best Research AI tools, updated daily. Whether you're looking for free options or premium solutions, Nextool.ai lists 58+ Research tools ranked by quality and relevance. All tools are manually reviewed and categorized to help you find the right AI solution for your needs. See the top 10 Research tools, browse free Research tools, or explore all categories.