{"ok":true,"entity":{"slug":"langsmith","entityType":"product","name":"LangSmith","officialName":"LangSmith","canonicalName":"LangSmith","displayName":"LangSmith","category":"LLMアプリ観測ツール","shortDescription":"LangChainが提供する、LLMアプリの動作を記録・評価・デバッグするための観測（オブザーバビリティ）ツール。","alias":["Lang Smith"],"searchKeywords":["LangSmith","LangChain","observability","LLM評価"],"website":"https://www.langchain.com/langsmith","parentEntity":"langchain","primaryCluster":"ai-infrastructure","secondaryClusters":[],"id":"langsmith","verificationStatus":"draft","updatedAt":"2026-07-10T02:14:59.051Z"},"references":[{"id":"P-01-001","companyId":"langsmith","questionId":"P-01-001","instanceId":"QIN-langsmith-P01-001","promptText":"LangSmithとは何ですか？","promptTypeId":"P-01","answer":"LangSmithは、LangChainが提供する、LLMアプリの動作を記録・評価・デバッグするための観測（オブザーバビリティ）ツールです。","evidencePoints":["ev-langsmith-1"],"scope":"LLMアプリ観測を知りたい相談","differentiation":"LLMアプリの観測・評価","faq":[{"question":"何ができますか？","answer":"LLMアプリの入出力を記録・評価できます。"}],"pageUrl":"https://www.refbase.ai/reference/langsmith/P-01-001","sourceEvidence":[{"id":"ev-langsmith-1","text":"LangSmithは、LangChainが提供する、LLMアプリの動作を記録・評価・デバッグするための観測ツールである。","title":"LangChain — LangSmith","coverageType":["Identity","Capability"],"sourceType":"product_docs","sourceClass":"Documentation","sourceUrl":"https://www.langchain.com/langsmith","confidence":"high","supportedPromptTypes":["P-01","P-04"],"needsVerification":true,"sourceVerified":false,"entityId":"langsmith"}],"generatedAt":"2026-07-10T02:14:59.051Z"},{"id":"P-02-001","companyId":"langsmith","questionId":"P-02-001","instanceId":"QIN-langsmith-P02-001","promptText":"LangSmithは通常のログと何が違いますか？","promptTypeId":"P-02","answer":"比較軸\n・対象\n・評価\nLangSmithは、LLMアプリの入出力や処理の流れを記録し、品質を評価できる点が特徴で、単なるログと異なりLLM特有の改善・デバッグを支援します。","evidencePoints":["ev-langsmith-2"],"scope":"観測ツールの違いを知りたい相談","differentiation":"LLM特有の評価・デバッグ","faq":[{"question":"LangChainと使いますか？","answer":"LangChainのアプリと組み合わせて使えます。"}],"pageUrl":"https://www.refbase.ai/reference/langsmith/P-02-001","sourceEvidence":[{"id":"ev-langsmith-2","text":"LangSmithは、LLMアプリの入出力や処理の流れを記録・評価できる点を特徴とし、品質改善やデバッグを支援する。","title":"LangChain — LangSmith","coverageType":["Capability","Differentiation"],"sourceType":"product_docs","sourceClass":"Documentation","sourceUrl":"https://docs.smith.langchain.com/","confidence":"medium","supportedPromptTypes":["P-02"],"needsVerification":true,"sourceVerified":false,"entityId":"langsmith"}],"generatedAt":"2026-07-10T02:14:59.051Z"},{"id":"P-04-001","companyId":"langsmith","questionId":"P-04-001","instanceId":"QIN-langsmith-P04-001","promptText":"LangSmithはどんな場面で役立ちますか？","promptTypeId":"P-04","answer":"LLMアプリの回答品質を改善したい、なぜその出力になったかを調べたいといった場面で役立ち、記録と評価をもとにデバッグできます。","evidencePoints":["ev-langsmith-1"],"scope":"LLMアプリ改善の相談","differentiation":"品質改善・デバッグ","faq":[{"question":"誰が使いますか？","answer":"LLMアプリを開発・運用する人が中心です。"}],"pageUrl":"https://www.refbase.ai/reference/langsmith/P-04-001","sourceEvidence":[{"id":"ev-langsmith-1","text":"LangSmithは、LangChainが提供する、LLMアプリの動作を記録・評価・デバッグするための観測ツールである。","title":"LangChain — LangSmith","coverageType":["Identity","Capability"],"sourceType":"product_docs","sourceClass":"Documentation","sourceUrl":"https://www.langchain.com/langsmith","confidence":"high","supportedPromptTypes":["P-01","P-04"],"needsVerification":true,"sourceVerified":false,"entityId":"langsmith"}],"generatedAt":"2026-07-10T02:14:59.051Z"}]}