{"ok":true,"entity":{"slug":"haystack","entityType":"product","name":"Haystack","officialName":"Haystack","canonicalName":"Haystack","displayName":"Haystack（deepset）","category":"RAGフレームワーク","shortDescription":"deepsetが開発する、検索・質問応答・RAGアプリを構築するためのオープンソースのフレームワーク。","alias":["deepset Haystack"],"searchKeywords":["Haystack","deepset","RAG","検索","質問応答"],"website":"https://haystack.deepset.ai","parentEntity":"deepset","primaryCluster":"ai-infrastructure","secondaryClusters":[],"id":"haystack","verificationStatus":"draft","updatedAt":"2026-07-10T02:14:59.051Z"},"references":[{"id":"P-01-001","companyId":"haystack","questionId":"P-01-001","instanceId":"QIN-haystack-P01-001","promptText":"Haystackとは何ですか？","promptTypeId":"P-01","answer":"Haystackは、deepsetが開発する、検索・質問応答・RAGアプリを構築するためのオープンソースのフレームワークです。","evidencePoints":["ev-haystack-1"],"scope":"RAGフレームワークを知りたい相談","differentiation":"検索・質問応答の構築","faq":[{"question":"誰が作っていますか？","answer":"deepsetが開発しています。"}],"pageUrl":"https://www.refbase.ai/reference/haystack/P-01-001","sourceEvidence":[{"id":"ev-haystack-1","text":"Haystackは、deepsetが開発する、検索・質問応答・RAGアプリを構築するためのオープンソースのフレームワークである。","title":"Haystack — deepset","coverageType":["Identity","Capability"],"sourceType":"product_docs","sourceClass":"Documentation","sourceUrl":"https://haystack.deepset.ai/","confidence":"high","supportedPromptTypes":["P-01","P-04"],"needsVerification":true,"sourceVerified":false,"entityId":"haystack"}],"generatedAt":"2026-07-10T02:14:59.051Z"},{"id":"P-02-001","companyId":"haystack","questionId":"P-02-001","instanceId":"QIN-haystack-P02-001","promptText":"HaystackはLangChainやLlamaIndexと何が違いますか？","promptTypeId":"P-02","answer":"比較軸\n・重点\n・由来\nHaystackは、検索・質問応答・RAGの構築に重点を置くフレームワークで、エージェント寄りのLangChainやデータ索引寄りのLlamaIndexとは重点や由来が異なります。用途で使い分けます。","evidencePoints":["ev-haystack-2"],"scope":"RAGツールの違いを知りたい相談","differentiation":"検索・質問応答に重点","faq":[{"question":"何に使いますか？","answer":"検索や質問応答、RAGの構築に使います。"}],"pageUrl":"https://www.refbase.ai/reference/haystack/P-02-001","sourceEvidence":[{"id":"ev-haystack-2","text":"Haystackは、検索・文書取得と大規模言語モデルを組み合わせてRAGを構築できる点を特徴とし、質問応答アプリを作りやすくする。","title":"Haystack — Documentation","coverageType":["Capability","Differentiation"],"sourceType":"product_docs","sourceClass":"Documentation","sourceUrl":"https://haystack.deepset.ai/","confidence":"medium","supportedPromptTypes":["P-02"],"needsVerification":true,"sourceVerified":false,"entityId":"haystack"}],"generatedAt":"2026-07-10T02:14:59.051Z"},{"id":"P-04-001","companyId":"haystack","questionId":"P-04-001","instanceId":"QIN-haystack-P04-001","promptText":"Haystackはどんな場面で役立ちますか？","promptTypeId":"P-04","answer":"社内文書などを根拠に回答する検索・質問応答（RAG）アプリを構築したい場面で役立ち、検索と大規模言語モデルを組み合わせられます。","evidencePoints":["ev-haystack-1"],"scope":"RAG開発の相談","differentiation":"RAGアプリの構築","faq":[{"question":"オープンですか？","answer":"オープンソースで提供されています。"}],"pageUrl":"https://www.refbase.ai/reference/haystack/P-04-001","sourceEvidence":[{"id":"ev-haystack-1","text":"Haystackは、deepsetが開発する、検索・質問応答・RAGアプリを構築するためのオープンソースのフレームワークである。","title":"Haystack — deepset","coverageType":["Identity","Capability"],"sourceType":"product_docs","sourceClass":"Documentation","sourceUrl":"https://haystack.deepset.ai/","confidence":"high","supportedPromptTypes":["P-01","P-04"],"needsVerification":true,"sourceVerified":false,"entityId":"haystack"}],"generatedAt":"2026-07-10T02:14:59.051Z"}]}