{"id":134,"date":"2026-06-15T10:28:50","date_gmt":"2026-06-15T01:28:50","guid":{"rendered":"https:\/\/www.wetch.co.jp\/ai\/?p=134"},"modified":"2026-06-15T10:28:50","modified_gmt":"2026-06-15T01:28:50","slug":"claude-fable-5%e3%83%bbmythos-5%e3%80%81%e5%85%ac%e9%96%8b3%e6%97%a5%e3%81%a7%e5%85%a8%e9%9d%a2%e5%81%9c%e6%ad%a2%e2%94%80%e2%94%80%e7%b1%b3%e6%94%bf%e5%ba%9c%e3%81%ae%e8%bc%b8%e5%87%ba%e7%ae%a1","status":"publish","type":"post","link":"https:\/\/www.wetch.co.jp\/ai\/2026\/06\/15\/claude-fable-5%e3%83%bbmythos-5%e3%80%81%e5%85%ac%e9%96%8b3%e6%97%a5%e3%81%a7%e5%85%a8%e9%9d%a2%e5%81%9c%e6%ad%a2%e2%94%80%e2%94%80%e7%b1%b3%e6%94%bf%e5%ba%9c%e3%81%ae%e8%bc%b8%e5%87%ba%e7%ae%a1\/","title":{"rendered":"Claude Fable 5\u30fbMythos 5\u3001\u516c\u958b3\u65e5\u3067\u5168\u9762\u505c\u6b62\u2500\u2500\u7c73\u653f\u5e9c\u306e\u8f38\u51fa\u7ba1\u7406\u6307\u793a"},"content":{"rendered":"\n<p><em>\u516c\u958b\u304b\u3089\u308f\u305a\u304b3\u65e5\u3002Anthropic\u306e\u6700\u4e0a\u4f4d\u30e2\u30c7\u30eb\u300cClaude Fable 5\u300d\u3068\u300cMythos 5\u300d\u304c\u3001\u7c73\u653f\u5e9c\u306e\u8f38\u51fa\u7ba1\u7406\u6307\u793a\u3092\u53d7\u3051\u3066\u5168\u9867\u5ba2\u5411\u3051\u306b\u505c\u6b62\u3055\u308c\u307e\u3057\u305f\u3002\u4f55\u304c\u8d77\u304d\u305f\u306e\u304b\u3001\u306a\u305c\u5168\u9762\u505c\u6b62\u306b\u306a\u3063\u305f\u306e\u304b\u3001\u5f71\u97ff\u7bc4\u56f2\u3092\u6574\u7406\u3057\u307e\u3059\u3002\uff082026\u5e746\u670813\u65e5\u6642\u70b9\u30fb\u7d9a\u5831\u3042\u308a\uff09<\/em><\/p>\n\n<h2>\u4f55\u304c\u8d77\u304d\u305f\u304b<\/h2>\n<ul>\n<li><strong>6\u67089\u65e5<\/strong>\uff1aAnthropic \u304c Mythos\u30af\u30e9\u30b9\u306e\u6700\u4e0a\u4f4d\u30e2\u30c7\u30eb Claude Fable 5\uff08\u304a\u3088\u3073\u4e00\u90e8\u5411\u3051\u306e Mythos 5\uff09\u3092\u516c\u958b\u3002\u591a\u304f\u306e\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u3067\u6700\u9ad8\u6c34\u6e96\u3068\u3055\u308c\u305f\u3002<\/li>\n<li><strong>6\u670812\u65e5 \u5348\u5f8c5\u664221\u5206\uff08\u7c73\u6771\u90e8\u6642\u9593\uff09<\/strong>\uff1a\u7c73\u5546\u52d9\u7701\u304c\u56fd\u5bb6\u5b89\u5168\u4fdd\u969c\u3092\u6839\u62e0\u306b<strong>\u8f38\u51fa\u7ba1\u7406\u6307\u793a<\/strong>\u3092\u767a\u51fa\u3002Fable 5 \u3068 Mythos 5 \u3078\u306e\u3001\u3042\u3089\u3086\u308b\u5916\u56fd\u7c4d\u8005\uff08\u7c73\u56fd\u5185\u5916\u3092\u554f\u308f\u305a\u3001Anthropic\u306e\u5916\u56fd\u7c4d\u793e\u54e1\u3092\u542b\u3080\uff09\u306e\u30a2\u30af\u30bb\u30b9\u505c\u6b62\u3092\u547d\u3058\u305f\u3002<\/li>\n<li><strong>\u540c\u65e5\u591c<\/strong>\uff1aAnthropic \u306f\u4e21\u30e2\u30c7\u30eb\u3092<strong>\u5168\u9867\u5ba2\u5411\u3051\u306b\u7121\u52b9\u5316<\/strong>\u3002API \u306e\u30e2\u30c7\u30eb\u540d <code>claude-fable-5<\/code> \u306f\u73fe\u5728\u30a8\u30e9\u30fc\u306b\u306a\u308b\u3002<\/li>\n<\/ul>\n\n<h2>\u306a\u305c\u300c\u5168\u9762\u505c\u6b62\u300d\u306b\u306a\u3063\u305f\u306e\u304b<\/h2>\n<p>\u6307\u793a\u306f\u300c\u5916\u56fd\u7c4d\u8005\u306e\u30a2\u30af\u30bb\u30b9\u3092\u6b62\u3081\u3088\u300d\u3068\u3044\u3046\u5185\u5bb9\u3067\u3057\u305f\u304c\u3001Anthropic \u306f\u7c73\u56fd\u30e6\u30fc\u30b6\u30fc\u3068\u5916\u56fd\u7c4d\u8005\u3092\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306b\u9078\u5225\u3067\u304d\u306a\u3044\u3068\u8aac\u660e\u3002\u9078\u629e\u7684\u306a\u5bfe\u5fdc\u304c\u4e8b\u5b9f\u4e0a\u4e0d\u53ef\u80fd\u306a\u305f\u3081\u3001<strong>\u5168\u54e1\u306b\u5bfe\u3057\u3066\u4e21\u30e2\u30c7\u30eb\u3092\u505c\u6b62\u3059\u308b\u4ee5\u5916\u306b\u9806\u5b88\u3059\u308b\u65b9\u6cd5\u304c\u306a\u304b\u3063\u305f<\/strong>\u3068\u3057\u3066\u3044\u307e\u3059\u3002\u7d50\u679c\u3068\u3057\u3066\u300c\u5916\u56fd\u7c4d\u8005\u5411\u3051\u306e\u505c\u6b62\u300d\u304c\u300c\u5168\u54e1\u5411\u3051\u306e\u505c\u6b62\u300d\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n<h2>\u653f\u5e9c\u306e\u7406\u7531\u3068 Anthropic \u306e\u53cd\u8ad6<\/h2>\n<p>\u5831\u9053\uff08Axios \u306a\u3069\uff09\u306b\u3088\u308b\u3068\u3001\u5225\u306e\u4f01\u696d\u304c Mythos \u3092\u8131\u7344\uff08jailbreak\uff09\u3067\u304d\u305f\u3068\u4e3b\u5f35\u3057\u305f\u3053\u3068\u304c\u767a\u7aef\u3067\u3001\u653f\u5e9c\u306f\u516c\u958b\u524d\u306b\u4e00\u6642\u505c\u6b62\u3092\u6c42\u3081\u305f\u3082\u306e\u306e\u5fdc\u3058\u3089\u308c\u305a\u3001\u8f38\u51fa\u7ba1\u7406\u306e\u6587\u66f8\u9001\u4ed8\u306b\u81f3\u3063\u305f\u3068\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>Anthropic \u306f\u3053\u308c\u306b\u516c\u958b\u3067\u53cd\u8ad6\u3057\u3066\u3044\u307e\u3059\u3002\u5b9f\u6f14\u3092\u78ba\u8a8d\u3057\u305f\u3068\u3053\u308d\u3001<strong>\u8868\u9762\u5316\u3057\u305f\u306e\u306f\u65e2\u77e5\u304b\u3064\u8efd\u5fae\u306a\u8106\u5f31\u6027\u3067\u3001\u4ed6\u306e\u516c\u958b\u30e2\u30c7\u30eb\uff08GPT-5.5 \u306a\u3069\uff09\u3067\u3082\u7279\u5225\u306a\u56de\u907f\u306a\u3057\u306b\u540c\u69d8\u306e\u3053\u3068\u304c\u3067\u304d\u308b<\/strong>\u3068\u6307\u6458\u3002\u6570\u5104\u4eba\u306b\u63d0\u4f9b\u3057\u3066\u3044\u308b\u5546\u7528\u30e2\u30c7\u30eb\u3092\u3001\u9650\u5b9a\u7684\u306a\u8131\u7344\u306e\u53ef\u80fd\u6027\u3092\u7406\u7531\u306b\u56de\u53ce\u3059\u308b\u306e\u306f\u59a5\u5f53\u3067\u306a\u304f\u3001\u3053\u306e\u57fa\u6e96\u3092\u696d\u754c\u5168\u4f53\u306b\u5f53\u3066\u306f\u3081\u308c\u3070\u65b0\u30e2\u30c7\u30eb\u306e\u63d0\u4f9b\u304c\u6b62\u307e\u308a\u304b\u306d\u306a\u3044\u3001\u3068\u4e3b\u5f35\u3057\u307e\u3057\u305f\u3002\u540c\u793e\u306f\u300c\u8aa4\u89e3\u3060\u300d\u3068\u3057\u3066\u3001<strong>\u3067\u304d\u308b\u3060\u3051\u65e9\u671f\u306e\u30a2\u30af\u30bb\u30b9\u5fa9\u65e7\u3092\u76ee\u6307\u3059<\/strong>\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n<h2>\u5f71\u97ff\u7bc4\u56f2<\/h2>\n<ul>\n<li>\u505c\u6b62\u5bfe\u8c61\u306f <strong>Fable 5 \u3068 Mythos 5 \u306e\u307f<\/strong>\u3002<strong>\u305d\u306e\u4ed6\u306eClaude\u30e2\u30c7\u30eb\uff08Opus 4.8 \u306a\u3069\uff09\u306f\u5f71\u97ff\u3092\u53d7\u3051\u305a<\/strong>\u3001\u901a\u5e38\u3069\u304a\u308a\u5229\u7528\u3067\u304d\u308b\u3002<\/li>\n<li>\u958b\u767a\u8005\u5411\u3051\u306b\u306f\u3001<code>claude-fable-5<\/code> \u3078\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u5931\u6557\u3059\u308b\u72b6\u614b\u3002<strong>\u5f53\u9762\u306e\u4ee3\u66ff\u306f Opus 4.8<\/strong> \u304c\u63a8\u5968\u3055\u308c\u3066\u3044\u308b\u3002<\/li>\n<li>\u6599\u91d1\u9762\u3067\u306f\u3001Fable 5 \u306f\u5165\u529b100\u4e07\u30c8\u30fc\u30af\u30f3\u3042\u305f\u308a$10\uff0f\u51fa\u529b$50\u3068\u3001Opus \u306e\u7d042\u500d\u306e\u4fa1\u683c\u8a2d\u5b9a\u3060\u3063\u305f\u3002<\/li>\n<\/ul>\n\n<h2>\u4eca\u5f8c\u306e\u898b\u901a\u3057<\/h2>\n<p>Anthropic \u306f\u65e9\u671f\u5fa9\u65e7\u306b\u5411\u3051\u3066\u653f\u5e9c\u3068\u5bfe\u5fdc\u4e2d\u3068\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u672c\u7a3f\u6642\u70b9\u3067\u306f\u518d\u958b\u6642\u671f\u306f\u672a\u5b9a\u3067\u3059\u3002\u30d5\u30ed\u30f3\u30c6\u30a3\u30a2\u30e2\u30c7\u30eb\u3078\u306e\u30a2\u30af\u30bb\u30b9\u304c\u3001\u653f\u5e9c\u306e\u4e00\u6307\u793a\u3067\u4e00\u591c\u306b\u3057\u3066\u4e16\u754c\u898f\u6a21\u3067\u6b62\u307e\u308a\u5f97\u308b\u3053\u3068\u3092\u793a\u3057\u305f\u4e8b\u4f8b\u3068\u3057\u3066\u3001\u696d\u754c\u306b\u6ce2\u7d0b\u3092\u5e83\u3052\u3066\u3044\u307e\u3059\u3002<strong>\u672c\u4ef6\u306f\u9032\u884c\u4e2d\u306e\u8a71\u984c\u306e\u305f\u3081\u3001\u6700\u65b0\u60c5\u5831\u306f\u4e00\u6b21\u60c5\u5831\u3092\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\u3002<\/strong><\/p>\n\n<hr \/>\n<h2>\u4e3b\u306a\u60c5\u5831\u6e90<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.anthropic.com\/news\/claude-fable-5-mythos-5\" target=\"_blank\" rel=\"noopener\">Anthropic: Claude Fable 5 and Claude Mythos 5\uff08\u516c\u5f0f\uff09<\/a><\/li>\n<li><a href=\"https:\/\/thenewstack.io\/us-gov-orders-anthropic-to-pull-fable-5-and-mythos-5-three-days-after-launch\" target=\"_blank\" rel=\"noopener\">The New Stack: \u7c73\u653f\u5e9c\u304cFable 5\/Mythos 5\u306e\u505c\u6b62\u3092\u6307\u793a<\/a><\/li>\n<li><a href=\"https:\/\/www.bbc.com\/news\/articles\/c932g3v3e13o\" target=\"_blank\" rel=\"noopener\">BBC: Fable 5 and Mythos 5 suspended over security fears<\/a><\/li>\n<li><a href=\"https:\/\/www.marktechpost.com\/2026\/06\/13\/anthropic-disables-claude-fable-5-and-mythos-5-after-us-government-order\" target=\"_blank\" rel=\"noopener\">MarkTechPost: Anthropic disables Fable 5 and Mythos 5<\/a><\/li>\n<\/ul>\n<p><small>\u672c\u8a18\u4e8b\u306f\u5404\u60c5\u5831\u6e90\u306e\u516c\u958b\u6642\u70b9\u306e\u60c5\u5831\u3092\u3082\u3068\u306b\u81ea\u5206\u306e\u8a00\u8449\u3067\u8981\u7d04\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u9032\u884c\u4e2d\u306e\u4e8b\u6848\u3067\u3042\u308a\u3001\u5185\u5bb9\u306f\u66f4\u65b0\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u53ce\u96c6\u30fb\u8981\u7d04\u306fAI\u3001\u516c\u958b\u5224\u65ad\u306f\u4eba\u3002<\/small><\/p>\n\n","protected":false},"excerpt":{"rendered":"<p>\u516c\u958b\u304b\u3089\u308f\u305a\u304b3\u65e5\u3001Anthropic\u306eFable 5\u3068Mythos 5\u304c\u7c73\u653f\u5e9c\u306e\u8f38\u51fa\u7ba1\u7406\u6307\u793a\u3067\u5168\u9867\u5ba2\u5411\u3051\u306b\u505c\u6b62\u3002\u7d4c\u7def\u30fb\u5168\u9762\u505c\u6b62\u306b\u81f3\u3063\u305f\u7406\u7531\u30fb\u5f71\u97ff\u7bc4\u56f2\u30fbAnthropic\u306e\u53cd\u8ad6\u3092\u307e\u3068\u3081\u307e\u3057\u305f\u3002<\/p>\n","protected":false},"author":1,"featured_media":135,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"page_builder":"","footnotes":""},"categories":[78],"tags":[82,22,5,79,80,81],"class_list":["post-134","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-78","tag-ai","tag-anthropic","tag-claude","tag-fable-5","tag-mythos-5","tag-81"],"_links":{"self":[{"href":"https:\/\/www.wetch.co.jp\/ai\/wp-json\/wp\/v2\/posts\/134","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wetch.co.jp\/ai\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wetch.co.jp\/ai\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wetch.co.jp\/ai\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wetch.co.jp\/ai\/wp-json\/wp\/v2\/comments?post=134"}],"version-history":[{"count":1,"href":"https:\/\/www.wetch.co.jp\/ai\/wp-json\/wp\/v2\/posts\/134\/revisions"}],"predecessor-version":[{"id":136,"href":"https:\/\/www.wetch.co.jp\/ai\/wp-json\/wp\/v2\/posts\/134\/revisions\/136"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wetch.co.jp\/ai\/wp-json\/wp\/v2\/media\/135"}],"wp:attachment":[{"href":"https:\/\/www.wetch.co.jp\/ai\/wp-json\/wp\/v2\/media?parent=134"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wetch.co.jp\/ai\/wp-json\/wp\/v2\/categories?post=134"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wetch.co.jp\/ai\/wp-json\/wp\/v2\/tags?post=134"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}