{"id":18255,"date":"2026-07-27T21:44:20","date_gmt":"2026-07-27T21:44:20","guid":{"rendered":"https:\/\/megagon.ai\/faq\/rag-retrieval-augmented-generation-inconsistent-answers\/"},"modified":"2026-07-27T21:51:13","modified_gmt":"2026-07-27T21:51:13","slug":"rag-retrieval-augmented-generation-inconsistent-answers","status":"publish","type":"faq","link":"https:\/\/megagon.ai\/jp\/faq\/rag-retrieval-augmented-generation-inconsistent-answers\/","title":{"rendered":"Why do RAG systems give inconsistent answers?"},"content":{"rendered":"\n

Retrieval-augmented generation systems pull in multiple documents, and one retrieved source can contradict another even when each is individually plausible. Most frameworks evaluate documents and generated statements independently, so these conflicts go unchecked. Consistency requires examining how the retrieved set works together, not just scoring each document on its own.<\/p>\n","protected":false},"excerpt":{"rendered":"

Retrieval-augmented generation systems pull in multiple documents, and one retrieved source can contradict another even when each is individually plausible. Most frameworks evaluate documents and generated statements independently, so these conflicts go unchecked. Consistency requires examining how the retrieved set works together, not just scoring each document on its own.<\/p>\n","protected":false},"author":1,"template":"","meta":{"footnotes":""},"question-topic":[],"class_list":["post-18255","faq","type-faq","status-publish","hentry"],"yoast_head":"\nWhy do RAG systems give inconsistent answers? - Megagon<\/title>\n<meta name=\"description\" content=\"Why RAG systems give inconsistent answers: retrieved documents can contradict each other even when each is plausible, so consistency needs set-level checks.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/megagon.ai\/jp\/faq\/rag-retrieval-augmented-generation-inconsistent-answers\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Why do RAG systems give inconsistent answers? - Megagon\" \/>\n<meta property=\"og:description\" content=\"Why RAG systems give inconsistent answers: retrieved documents can contradict each other even when each is plausible, so consistency needs set-level checks.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/megagon.ai\/jp\/faq\/rag-retrieval-augmented-generation-inconsistent-answers\/\" \/>\n<meta property=\"og:site_name\" content=\"Megagon\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/megagonlabs\/\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-27T21:51:13+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/megagon.ai\\\/jp\\\/faq\\\/rag-retrieval-augmented-generation-inconsistent-answers\\\/\",\"url\":\"https:\\\/\\\/megagon.ai\\\/jp\\\/faq\\\/rag-retrieval-augmented-generation-inconsistent-answers\\\/\",\"name\":\"Why do RAG systems give inconsistent answers? - Megagon\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/megagon.ai\\\/jp\\\/#website\"},\"datePublished\":\"2026-07-27T21:44:20+00:00\",\"dateModified\":\"2026-07-27T21:51:13+00:00\",\"description\":\"Why RAG systems give inconsistent answers: retrieved documents can contradict each other even when each is plausible, so consistency needs set-level checks.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/megagon.ai\\\/jp\\\/faq\\\/rag-retrieval-augmented-generation-inconsistent-answers\\\/#breadcrumb\"},\"inLanguage\":\"ja-JP\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/megagon.ai\\\/jp\\\/faq\\\/rag-retrieval-augmented-generation-inconsistent-answers\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/megagon.ai\\\/jp\\\/faq\\\/rag-retrieval-augmented-generation-inconsistent-answers\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/megagon.ai\\\/jp\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Why do RAG systems give inconsistent answers?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/megagon.ai\\\/jp\\\/#website\",\"url\":\"https:\\\/\\\/megagon.ai\\\/jp\\\/\",\"name\":\"Megagon Labs\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/megagon.ai\\\/jp\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/megagon.ai\\\/jp\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ja-JP\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/megagon.ai\\\/jp\\\/#organization\",\"name\":\"Megagon Labs\",\"url\":\"https:\\\/\\\/megagon.ai\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/megagon.ai\\\/wp-content\\\/uploads\\\/2025\\\/02\\\/Logo-Megagon-Labs.webp\",\"caption\":\"Megagon Labs\"},\"image\":{\"url\":\"https:\\\/\\\/megagon.ai\\\/wp-content\\\/uploads\\\/2025\\\/02\\\/Logo-Megagon-Labs.webp\"},\"description\":\"Megagon Labs is an AI research organization conducting research in compound AI systems, large language models, data-AI symbiosis, and human-centered AI. 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