AI search and research AI Tools

Compare AI search and research tools for source-backed answers, web research, academic discovery, competitive monitoring, and team knowledge work.

9 tools listedUpdated: May 2026AI search and research

Perplexity

4.7

ソース付き回答フォローアップ質問

Pricing

無料〜$20/月

FreePro $20

Watch / Official checked / Price Watch

Details Free tier

Genspark

4.4

AIエージェント検索Sparkpage生成

Pricing

無料〜$19/月

FreePlus $19

Watch / Official checked / Price Watch

Details Free tier

Consensus

4.5

学術論文特化2億+論文検索

Pricing

無料〜$8.99/月

FreePremium $8.99

Watch / Official checked / Price Watch

Details Free tier

Elicit

4.3

論文自動要約データ抽出

Pricing

無料〜$10/月

FreePlus $10Team要問合せ

Watch / Official checked / Price Watch

Details Free tier

You.com

4.2

マルチモーダル検索プライバシー重視

Pricing

無料〜$15/月

FreeYouPro $15

Watch / Official checked / Price Watch

Details Free tier

LangChain

4.5

139k+

RAGエージェント

Pricing

無料（OSS）〜周辺サービス課金

OSS無料LangSmith等の周辺サービスは別プラン

Checked / Official checked / Price Watch

Details Free tier

LlamaIndex

4.4

50k+

文書検索RAG

Pricing

無料（OSS）〜周辺サービス課金

OSS無料クラウド・ホスティング・モデル費用は別途

Checked / Official checked / Price Watch

Details Free tier

RAGFlow

4.4

82k+

文書解析RAG検索

Pricing

無料（OSS）〜ホスティング費用

OSS無料セルフホストやクラウド実行費用は別途

Checked / Official checked / Price Watch

Details Free tier

AnythingLLM

4.3

61k+

社内文書検索ローカルLLM

Pricing

無料（OSS）〜クラウド課金

OSS無料Cloudや利用モデル費用は別途

Checked / Official checked / Price Watch

Details Free tier

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Signal DB

GitHub+6641 obs

codebase-memory-mcp

High-performance code intelligence MCP server. Indexes codebases into a persistent knowledg…

HF7146 DL

UraionLabs/Uraion-Agent-Small

text-generation / gguf / safetensors / llama-cpp

AI Tools1130 votes

Acti

Agentic keyboard for mobile commands and search

AI search and research compare route

PricingRatingGitHub StarsJP support

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Quick diagnosis