{"id":15290,"date":"2026-07-01T15:50:51","date_gmt":"2026-07-01T06:50:51","guid":{"rendered":"https:\/\/taskhub.jp\/magazine\/?p=15290"},"modified":"2026-07-01T15:50:51","modified_gmt":"2026-07-01T06:50:51","slug":"anthropic%e3%81%8c%e3%80%8cclaude-sonnet-5%e3%80%8d%e3%82%92%e5%85%ac%e9%96%8b%ef%bc%81opus%e3%81%ab%e8%bf%ab%e3%82%8b%e6%80%a7%e8%83%bd%e3%82%84%e6%96%b0%e6%a9%9f%e8%83%bd%e3%81%aa%e3%81%a9%e3%82%92","status":"publish","type":"post","link":"https:\/\/taskhub.jp\/magazine\/news\/15290\/","title":{"rendered":"Anthropic\u304c\u300cClaude Sonnet 5\u300d\u3092\u516c\u958b\uff01Opus\u306b\u8feb\u308b\u6027\u80fd\u3084\u65b0\u6a5f\u80fd\u306a\u3069\u3092\u5fb9\u5e95\u89e3\u8aac"},"content":{"rendered":"

2026\u5e746\u670830\u65e5\u3001Anthropic\u306f\u6700\u65b0\u306e\u751f\u6210AI\u30e2\u30c7\u30eb\u300cClaude Sonnet 5\u300d\u3092\u767a\u8868\u3057\u307e\u3057\u305f\u3002\u540c\u65e5\u3088\u308a\u3001Claude.ai\u3084Claude Code\u3001Claude Platform\uff08API\uff09\u306a\u3069\u3059\u3079\u3066\u306e\u30d7\u30e9\u30f3\u3067\u5229\u7528\u53ef\u80fd\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n

Sonnet 5\u306f\u3001\u8a08\u753b\u7acb\u6848\u3084Web\u30d6\u30e9\u30a6\u30b6\u306a\u3069\u306e\u30c4\u30fc\u30eb\u5229\u7528\u3092\u81ea\u5f8b\u7684\u306b\u3053\u306a\u3059\u300c\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u6a5f\u80fd\u300d\u304c\u5927\u5e45\u306b\u5f37\u5316\u3055\u308c\u305f\u30e2\u30c7\u30eb\u3067\u3059\u3002Anthropic\u306f\u672c\u30e2\u30c7\u30eb\u3092\u300c\u3053\u308c\u307e\u3067\u3067\u6700\u3082\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u7684\u306aSonnet\u30e2\u30c7\u30eb\u300d\u3068\u4f4d\u7f6e\u4ed8\u3051\u3066\u304a\u308a\u3001\u4e0a\u4f4d\u30e2\u30c7\u30eb\u3067\u3042\u308bOpus 4.8\u306b\u8fd1\u3044\u6027\u80fd\u3092\u4f4e\u4fa1\u683c\u3067\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u601d\u8003\u30d7\u30ed\u30bb\u30b9\u3092\u6700\u9069\u5316\u3059\u308b\u300cAdaptive thinking\u300d\u306e\u5c0e\u5165\u3084\u3001100\u4e07\u30c8\u30fc\u30af\u30f3\u306e\u5927\u5bb9\u91cf\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u5bfe\u5fdc\u306a\u3069\u3001\u5b9f\u52d9\u3084\u958b\u767a\u73fe\u5834\u306b\u76f4\u7d50\u3059\u308b\u6570\u3005\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u304c\u65bd\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n

\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001Claude Sonnet 5\u306e\u6982\u8981\u304b\u3089\u3001\u8ffd\u52a0\u3055\u308c\u305f\u9a5a\u7570\u7684\u306a\u65b0\u6a5f\u80fd\u30fb\u6027\u80fd\u3001\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u7d50\u679c\u3001\u6599\u91d1\u30d7\u30e9\u30f3\u3001\u305d\u3057\u3066\u5b89\u5168\u5bfe\u7b56\u307e\u3067\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/span><\/p>\n

Claude Sonnet 5\u3068\u306f\uff1fAnthropic\u6700\u65b0AI\u306e\u6982\u8981<\/b><\/h2>\n

Claude Sonnet 5\u306f\u3001\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3084\u65e5\u5e38\u7684\u306a\u696d\u52d9\u9042\u884c\u306b\u304a\u3051\u308b\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u6a5f\u80fd\u3092\u904e\u53bb\u6700\u9ad8\u30ec\u30d9\u30eb\u306b\u5f37\u5316\u3057\u305f\u3001Sonnet\u30b7\u30ea\u30fc\u30ba\u306e\u6700\u65b0\u57fa\u76e4\u30e2\u30c7\u30eb\u3067\u3059\u3002<\/span><\/p>\n

\u3053\u308c\u307e\u3067\u3001\u9ad8\u5ea6\u306a\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u6027\u80fd\u306f\u4e0a\u4f4d\u306e\u300cOpus\u30af\u30e9\u30b9\u300d\u3067\u9855\u8457\u3067\u3057\u305f\u304c\u3001Sonnet 5\u306f\u3053\u306e\u6027\u80fd\u5dee\u3092\u5927\u304d\u304f\u7e2e\u5c0f\u3057\u307e\u3057\u305f\u3002\u524d\u4e16\u4ee3\u306e\u300cClaude Sonnet 4.6\u300d\u3068\u6bd4\u8f03\u3057\u3066\u3001\u63a8\u8ad6\u3001\u30c4\u30fc\u30eb\u5229\u7528\u3001\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3001\u77e5\u8b58\u52b4\u50cd\u30bf\u30b9\u30af\u306a\u3069\u3001\u4e3b\u8981\u306a\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u6027\u80fd\u306e\u6307\u6a19\u3067\u5927\u5e45\u306a\u5411\u4e0a\u3092\u679c\u305f\u3057\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n

Anthropic\u306fSonnet 5\u306b\u3064\u3044\u3066\u3001Opus 4.8\u306b\u8fd1\u3044\u6027\u80fd\u3092\u3088\u308a\u4f4e\u4fa1\u683c\u3067\u63d0\u4f9b\u3059\u308b\u30e2\u30c7\u30eb\u3067\u3042\u308b\u3068\u516c\u5f0f\u306b\u8ff0\u3079\u3066\u3044\u307e\u3059\u3002<\/p>\n

Sonnet 5 narrows the gap: its performance is close to that of Opus 4.8, but at lower prices. It\u2019s a substantial improvement over its predecessor, Sonnet 4.6, on important aspects of agentic performance like reasoning, tool use, coding, and knowledge work:<\/p>\n

\u8a33\uff1aSonnet 5\u306f\u4e0a\u4f4d\u30e2\u30c7\u30eb\u3068\u306e\u6027\u80fd\u5dee\u3092\u7e2e\u3081\u307e\u3059\u3002Opus 4.8\u306b\u8fd1\u3044\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u3001\u3088\u308a\u4f4e\u4fa1\u683c\u3067\u63d0\u4f9b\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u63a8\u8ad6\u3001\u30c4\u30fc\u30eb\u306e\u6d3b\u7528\u3001\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3001\u77e5\u8b58\u52b4\u50cd\u306a\u3069\u3001\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u3068\u3057\u3066\u306e\u5b9f\u52d9\u80fd\u529b\u306b\u304a\u3044\u3066\u3001\u524d\u4e16\u4ee3\u306eSonnet 4.6\u304b\u3089\u5927\u5e45\u306a\u9032\u5316\u3092\u9042\u3052\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u5f15\u7528\uff1aAnthropic<\/em><\/a><\/p>\n<\/blockquote>\n

Claude Sonnet 5\u3067\u4f55\u304c\u5909\u308f\u3063\u305f\u306e\u304b\uff1f4\u3064\u306e\u9a5a\u7570\u7684\u306a\u65b0\u6a5f\u80fd\u30fb\u7279\u5fb4<\/b><\/h2>\n

Sonnet 5\u306f\u3001\u4eba\u9593\u306e\u4ecb\u5165\u306a\u3057\u306b\u81ea\u5f8b\u7684\u304b\u3064\u8907\u6570\u30b9\u30c6\u30c3\u30d7\u306b\u308f\u305f\u3063\u3066\u4f5c\u696d\u3092\u9032\u3081\u308b\u80fd\u529b\u304c\u5f93\u6765\u306e\u30e2\u30c7\u30eb\u3088\u308a\u5927\u5e45\u306b\u5f37\u5316\u3055\u308c\u307e\u3057\u305f\u3002\u516c\u5f0f\u767a\u8868\u3084\u958b\u767a\u8005\u5411\u3051\u30ac\u30a4\u30c9\u3067\u5f37\u8abf\u3055\u308c\u3066\u3044\u308b\u30014\u3064\u306e\u4e3b\u306a\u5f37\u307f\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/span><\/p>\n

\u2460 \u653e\u7f6e\u72b6\u614b\u3067\u3082\u5b8c\u9042\u3059\u308b\u5f37\u529b\u306a\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u81ea\u5f8b\u6027<\/b><\/h3>\n

Sonnet 5\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u76e3\u8996\u3057\u3066\u3044\u306a\u3044\u72b6\u614b\u3067\u306e\u81ea\u5f8b\u7684\u306a\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u7a3c\u50cd\u306b\u304a\u3044\u3066\u3001\u5727\u5012\u7684\u306a\u5b89\u5b9a\u6027\u3092\u8a87\u308a\u307e\u3059\u3002\u3053\u308c\u307e\u3067\u306e\u30e2\u30c7\u30eb\u306a\u3089\u9014\u4e2d\u3067\u6b62\u307e\u3063\u3066\u3044\u305f\u3088\u3046\u306a\u8907\u6570\u30b9\u30c6\u30c3\u30d7\u306b\u308f\u305f\u308b\u8907\u96d1\u306a\u4f5c\u696d\u3067\u3082\u72b6\u614b\u3092\u7dad\u6301\u3057\u3001\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u3066\u3082\u30bf\u30b9\u30af\u3092\u898b\u5931\u3046\u3053\u3068\u306a\u304f\u81ea\u5df1\u4fee\u5fa9\u3092\u884c\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u660e\u793a\u7684\u306b\u6307\u793a\u3055\u308c\u308b\u524d\u306b\u81ea\u3089\u51fa\u529b\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u305f\u3081\u3001\u521d\u56de\u3067\u6b63\u3057\u304f\u30bf\u30b9\u30af\u3092\u5b8c\u4e86\u3067\u304d\u308b\u78ba\u7387\u304c\u98db\u8e8d\u7684\u306b\u9ad8\u307e\u308a\u307e\u3057\u305f\u3002<\/span><\/p>\n

\u2461 Adaptive thinking\uff08\u9069\u5fdc\u7684\u601d\u8003\uff09\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u642d\u8f09\uff08Claude Code \/ API\uff09<\/b><\/h3>\n

Sonnet 5\u3067\u306f\u3001\u5f93\u6765\u306e\u300cextended thinking\uff08\u62e1\u5f35\u601d\u8003\uff09\u300d\u306b\u4ee3\u308f\u308a\u3001\u30bf\u30b9\u30af\u306e\u8907\u96d1\u3055\u306b\u5fdc\u3058\u3066AI\u304c\u601d\u8003\u30d7\u30ed\u30bb\u30b9\u3092\u81ea\u52d5\u8abf\u6574\u3059\u308b\u300cAdaptive thinking\uff08\u9069\u5fdc\u7684\u601d\u8003\uff09\u300d\u304c\u5c0e\u5165\u3055\u308c\u307e\u3057\u305f\u3002<\/span>Claude Code\u304a\u3088\u3073API\u7d4c\u7531\u3067\u306e\u5229\u7528\u6642\u306b\u306f\u3001\u3053\u306eAdaptive thinking\u304c\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u30aa\u30f3<\/b>\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n

Adaptive thinking\u306e\u767a\u52d5\u30bf\u30a4\u30df\u30f3\u30b0\u306f\u30d7\u30ed\u30f3\u30d7\u30c8\u306b\u3088\u308b\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u304c\u53ef\u80fd\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u610f\u56f3\u305b\u305a\u601d\u8003\u30d6\u30ed\u30c3\u30af\u3092\u51fa\u529b\u3057\u3066\u51e6\u7406\u304c\u9045\u304f\u306a\u308b\u5834\u5408\u306f\u3001\u300c\u8907\u6570\u30b9\u30c6\u30c3\u30d7\u306e\u63a8\u8ad6\u304c\u5fc5\u8981\u306a\u6642\u3060\u3051\u601d\u8003\u3057\u3001\u305d\u308c\u4ee5\u5916\u306f\u76f4\u63a5\u5fdc\u7b54\u305b\u3088\u300d\u3068\u30d7\u30ed\u30f3\u30d7\u30c8\u3067\u6307\u793a\u3059\u308b\u3053\u3068\u3067\u3001\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc\uff08\u9045\u5ef6\uff09\u3092\u6700\u9069\u5316\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\uff08\u203bAPI\u8a2d\u5b9a\u3067\u5b8c\u5168\u306b\u7121\u52b9\u5316\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\uff09\u3002<\/span><\/p>\n

\u2462 effort\uff08\u52aa\u529b\uff09\u30ec\u30d9\u30eb\u306b\u3088\u308b\u5727\u5012\u7684\u306a\u30b3\u30b9\u30c8\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9<\/b><\/h3>\n

Sonnet 5\u306f\u3001\u30bf\u30b9\u30af\u306b\u5fdc\u3058\u3066AI\u306e\u601d\u8003\u91cf\uff08\u30c8\u30fc\u30af\u30f3\u6d88\u8cbb\u91cf\uff09\u3092\u8abf\u6574\u3059\u308b\u300ceffort\uff08\u52aa\u529b\uff09\u300d\u30d1\u30e9\u30e1\u30fc\u30bf\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002\u516c\u958b\u3055\u308c\u305f\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u578bWeb\u691c\u7d22\u306e\u30d9\u30f3\u30c1\u30de\u30fc\u30af\uff08BrowseComp\uff09\u306e\u30c7\u30fc\u30bf\u304b\u3089\u306f\u3001\u5404\u30ec\u30d9\u30eb\u306e\u660e\u78ba\u306a\u6027\u80fd\u5dee\u3068\u512a\u308c\u305f\u30b3\u30b9\u30c8\u52b9\u7387\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\n

    \n
  • \u4e2d\u7a0b\u5ea6\uff08Medium\uff09<\/b>\uff1a\u30b3\u30b9\u30c8\u52b9\u7387\u304c\u6975\u3081\u3066\u9ad8\u304f\u3001\u516c\u5f0f\u306b\u3088\u308c\u3070\u300c\u4e00\u822c\u7684\u306a\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3084\u30c4\u30fc\u30eb\u5229\u7528\u306e\u307b\u3068\u3093\u3069\u306f\u3053\u306eMedium\u8a2d\u5b9a\u304b\u3089\u59cb\u3081\u3066\u5341\u5206\u300d\u3068\u63a8\u5968\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/span><\/li>\n
  • \u9ad8\u6c34\u6e96\uff08High \/ xhigh \/ max\uff09<\/b>\uff1a\u30c7\u30d5\u30a9\u30eb\u30c8\u8a2d\u5b9a\u306fHigh\u3067\u3059\u3002\u9577\u6642\u9593\u306e\u81ea\u5f8b\u30bf\u30b9\u30af\u3084\u30e1\u30e2\u30ea\u3092\u5927\u91cf\u306b\u6d88\u8cbb\u3059\u308b\u4f5c\u696d\u3067\u306fHigh\u3078\u306e\u5f15\u304d\u4e0a\u3052\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u3002\u30b0\u30e9\u30d5\u304c\u793a\u3059\u901a\u308a\u3001Sonnet 5\u306e\u300cHigh\u300d<\/span>\u306f\u524d\u30e2\u30c7\u30eb\uff08Sonnet 4.6\uff09\u306e\u6700\u9ad8\u6027\u80fd\u3092\u306f\u308b\u304b\u306b\u4f4e\u3044\u30b3\u30b9\u30c8\u3067\u4e0a\u56de\u308a\u307e\u3059\u3002<\/b>\u3055\u3089\u306b\u300cxhigh\u300d\u3084\u300cmax\u300d\u306b\u8a2d\u5b9a\u3059\u308b\u3068\u3001\u4e0a\u4f4d\u30e2\u30c7\u30eb\u3067\u3042\u308bOpus 4.8\u306e\u6700\u9ad8\u6027\u80fd\u3068\u540c\u7b49\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u53e9\u304d\u51fa\u3057\u307e\u3059\u3002<\/span><\/li>\n<\/ul>\n

    \"\"<\/p>\n

    \u753b\u50cf\uff1aAnthropic<\/p>\n

    \u2463 100\u4e07\u30c8\u30fc\u30af\u30f3\u306e\u5927\u5bb9\u91cf\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u30a6\u30a3\u30f3\u30c9\u30a6\u3068\u53b3\u5bc6\u306a\u6307\u793a\u9042\u884c<\/b><\/h3>\n

    Sonnet 5\u306f\u3001100\u4e07\u30c8\u30fc\u30af\u30f3\u306e\u5927\u5bb9\u91cf\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n

    \u307e\u305f\u3001API\u5229\u7528\u6642\u306b\u304a\u3044\u3066\u3001\u6587\u7ae0\u306e\u591a\u69d8\u6027\u3092\u64cd\u4f5c\u3059\u308b<\/span>temperature<\/span>\u3084<\/span>top_p<\/span>\u306a\u3069\u306e\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u30d1\u30e9\u30e1\u30fc\u30bf\u306f\u5909\u66f4\u4e0d\u53ef\u3068\u306a\u308a\u307e\u3057\u305f\u3002\u305d\u306e\u4ee3\u308f\u308a\u3001\u30e2\u30c7\u30eb\u306f\u30d7\u30ed\u30f3\u30d7\u30c8\u306e\u6307\u793a\u3092\u300c\u3088\u308a\u6587\u5b57\u901a\u308a\u306b\u3001\u305d\u3057\u3066\u53b3\u5bc6\u306b\u300d\u89e3\u91c8\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u3001\u30b7\u30b9\u30c6\u30e0\u30d7\u30ed\u30f3\u30d7\u30c8\u306e\u8a2d\u8a08\u6b21\u7b2c\u3067\u4e88\u6e2c\u53ef\u80fd\u3067\u7cbe\u5ea6\u306e\u9ad8\u3044\u51fa\u529b\u3092\u5f97\u3089\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n

    Claude Sonnet 5\u306e\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u8a55\u4fa1\uff1a\u524d\u4e16\u4ee3\u3092\u5727\u5012\u3059\u308b\u30b9\u30b3\u30a2<\/b><\/h2>\n

    Sonnet 5\u306f\u3001\u63a8\u8ad6\u3084\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306a\u3069\u306e\u3055\u307e\u3056\u307e\u306a\u8a55\u4fa1\u306b\u304a\u3044\u3066\u3001\u524d\u4e16\u4ee3\u306eSonnet 4.6\u306e\u30b9\u30b3\u30a2\u3092\u4e00\u8cab\u3057\u3066\u4e0a\u56de\u3063\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n

    \"\"<\/p>\n

    \u753b\u50cf\uff1aAnthropic<\/em><\/span><\/p>\n

    \u7279\u306b\u3001\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u578bWeb\u691c\u7d22\u8a55\u4fa1\u3067\u3042\u308b\u300cBrowseComp\u300d\u3084\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u64cd\u4f5c\u8a55\u4fa1\u300cOSWorld-Verified\u300d\u306e\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u3067\u306f\u3001Sonnet 5\u304cSonnet 4.6\u3092\u5927\u304d\u304f\u5f15\u304d\u96e2\u3057\u3001\u4e0a\u4f4d\u30e2\u30c7\u30eb\u3067\u3042\u308bOpus 4.8\u306e\u6027\u80fd\u57df\u306b\u8fd1\u3065\u3044\u305f\u3053\u3068\u304c\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n

    \"\"<\/p>\n

    \u753b\u50cf\uff1aAnthropic<\/em><\/span><\/p>\n

    \u306a\u304a\u3001\u516c\u5f0f\u306fSonnet 5\u3092\u5358\u4f53\u3067\u4f7f\u3046\u3060\u3051\u3067\u306a\u304f\u3001\u4ed6\u30e2\u30c7\u30eb\u3068\u306e\u7d44\u307f\u5408\u308f\u305b\u3082\u63a8\u5968\u3057\u3066\u3044\u307e\u3059\u3002\u300c\u3088\u308a\u9ad8\u6027\u80fd\u306a\u30e2\u30c7\u30eb\u306b\u8a08\u753b\u3092\u7acb\u3066\u3055\u305b\u3001Sonnet 5\u304c\u5b9f\u884c\u3059\u308b\u300d\u300c\u57fa\u672c\u306fSonnet 5\u3067\u51e6\u7406\u3057\u3001\u884c\u304d\u8a70\u307e\u3063\u305f\u6642\u3060\u3051\u4e0a\u4f4d\u30e2\u30c7\u30eb\u3092\u547c\u3073\u51fa\u3059\u300d\u3068\u3044\u3063\u305f\u9023\u643a\u306b\u3088\u308a\u3001\u30b3\u30b9\u30c8\u3068\u77e5\u80fd\u306e\u6700\u9069\u5316\u304c\u56f3\u308c\u307e\u3059\u3002<\/span><\/p>\n

    Claude Sonnet 5\u306e\u6599\u91d1\u3068\u63d0\u4f9b\u5f62\u614b<\/b><\/h2>\n

    Sonnet 5\u306f\u30012026\u5e746\u670830\u65e5\u304b\u3089Claude.ai\u3001Claude Code\u3001Claude Platform\uff08API\uff09\u306a\u3069\u306e\u3042\u3089\u3086\u308b\u5834\u6240\u3067\u5229\u7528\u53ef\u80fd\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u306eFree\u30d7\u30e9\u30f3\u304a\u3088\u3073Pro\u30d7\u30e9\u30f3\u3067\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30e2\u30c7\u30eb\u3068\u3057\u3066\u8a2d\u5b9a\u3055\u308c\u3066\u304a\u308a\u3001Max\u3001Team\u3001Enterprise\u306e\u5404\u30d7\u30e9\u30f3\u306e\u30e6\u30fc\u30b6\u30fc\u3082\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\n

    API\u7d4c\u7531\u3067\u306e\u5229\u7528\u6599\u91d1<\/b><\/h3>\n

    API\uff08\u30e2\u30c7\u30ebID\uff1a<\/span>claude-sonnet-5<\/span>\uff09\u3067\u306e\u5229\u7528\u6599\u91d1\u306f\u3001Opus\u30af\u30e9\u30b9\u3068\u6bd4\u8f03\u3057\u3066\u30ea\u30fc\u30ba\u30ca\u30d6\u30eb\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n

    \u306a\u304a\u3001Sonnet 5\u3067\u306f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5411\u4e0a\u306e\u305f\u3081\u65b0\u3057\u3044\u30c8\u30fc\u30af\u30ca\u30a4\u30b6\u30fc\u306b\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3055\u308c\u3066\u304a\u308a\u3001\u540c\u3058\u5165\u529b\u3067\u3082\u30c8\u30fc\u30af\u30f3\u306e\u6d88\u8cbb\u304c\u5f93\u6765\u6bd4\u3067\u6700\u59271.0\u301c1.35\u500d\u7a0b\u5ea6\u306b\u5897\u3048\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u79fb\u884c\u6642\u306e\u30b3\u30b9\u30c8\u304c\u307b\u307c\u5909\u308f\u3089\u306a\u3044\u3088\u3046\u30012026\u5e748\u670831\u65e5\u307e\u3067\u306f\u304a\u5f97\u306a\u300c\u5c0e\u5165\u4fa1\u683c\u300d\u304c\u9069\u7528\u3055\u308c\u307e\u3059\u3002<\/span><\/p>\n\n\n\n\n\n
    \u30e2\u30c7\u30eb<\/b><\/td>\n\u5165\u529b\uff08100\u4e07\u30c8\u30fc\u30af\u30f3\u3042\u305f\u308a\uff09<\/b><\/td>\n\u51fa\u529b\uff08100\u4e07\u30c8\u30fc\u30af\u30f3\u3042\u305f\u308a\uff09<\/b><\/td>\n<\/tr>\n
    Claude Sonnet 5\uff08\u301c2026\/8\/31 \u5c0e\u5165\u4fa1\u683c\uff09<\/span><\/td>\n$2<\/span><\/td>\n$10<\/span><\/td>\n<\/tr>\n
    Claude Sonnet 5\uff082026\/9\/1\u301c \u901a\u5e38\u4fa1\u683c\uff09<\/span><\/td>\n$3<\/span><\/td>\n$15<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u203b\u9ad8\u3044\u51e6\u7406\u8ca0\u8377\u3084\u9ad8effort\u30ec\u30d9\u30eb\u3067\u306e\u30c8\u30fc\u30af\u30f3\u4f7f\u7528\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u3001Chat\u3001Cowork\u3001Claude Code\u3001Claude Platform\u3067\u306e\u5229\u7528\u67a0\u3082\u5f15\u304d\u4e0a\u3052\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n

    \u60aa\u7528\u3092\u9632\u3050Claude Sonnet 5\u306e\u5b89\u5168\u5bfe\u7b56<\/b><\/h2>\n

    Sonnet 5\u306f\u3001\u5168\u4f53\u7684\u306a\u5b89\u5168\u6027\u306e\u9762\u3067\u3082\u524d\u4e16\u4ee3\u306eSonnet 4.6\u304b\u3089\u6539\u5584\u304c\u898b\u3089\u308c\u307e\u3059\u3002<\/span><\/p>\n

    \u30d7\u30ed\u30f3\u30d7\u30c8\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u653b\u6483\u306b\u304a\u3051\u308b\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u306e\u8a66\u307f\u3078\u306e\u8010\u6027\u3084\u3001\u60aa\u610f\u3042\u308b\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u62d2\u5426\u306b\u304a\u3044\u3066\u5927\u5e45\u306b\u6539\u5584\u3057\u3001Opus 4.8\u306b\u307b\u307c\u4e26\u3076\u6c34\u6e96\u306b\u9054\u3057\u307e\u3057\u305f\u3002\u307e\u305f\u3001\u30a2\u30e9\u30a4\u30f3\u30e1\u30f3\u30c8\u8a55\u4fa1\u3067\u306f\u3001\u30e2\u30c7\u30eb\u304c\u81ea\u8eab\u306e\u7f6e\u304b\u308c\u305f\u72b6\u6cc1\u3092\u8a8d\u8b58\u3059\u308b\u300c\u8a55\u4fa1\u8a8d\u8b58\u300d\u306e\u5ea6\u5408\u3044\u304c\u9ad8\u307e\u308a\u3001\u30e2\u30c7\u30eb\u306e\u884c\u52d5\u898f\u7bc4\u304c\u5b9a\u3081\u308b\u300c\u30cf\u30fc\u30c9\u5236\u7d04\u306b\u5f93\u3046\u300d\u3068\u3044\u3046\u30eb\u30fc\u30eb\u306b\u3064\u3044\u3066\u975e\u502b\u7406\u7684\u3067\u3042\u308b\u3068\u81ea\u3089\u6279\u5224\u3057\u305f\u521d\u3081\u3066\u306e\u4e8b\u4f8b\u3082\u78ba\u8a8d\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n

    \u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u95a2\u9023\u30bf\u30b9\u30af\u306e\u5236\u9650<\/b><\/h3>\n

    Anthropic\u306f\u3001Sonnet 5\u3092\u30b5\u30a4\u30d0\u30fc\u80fd\u529b\u306b\u7279\u5316\u3057\u3066\u8a13\u7df4\u3057\u3066\u304a\u3089\u305a\u3001\u5371\u967a\u306a\u30b5\u30a4\u30d0\u30fc\u30bf\u30b9\u30af\u3092\u5b9f\u884c\u3059\u308b\u80fd\u529b\u306f\u73fe\u884c\u306eOpus\u30e2\u30c7\u30eb\u3088\u308a\u3082\u5927\u5e45\u306b\u4f4e\u3044\u3068\u8a00\u53ca\u3057\u3066\u3044\u307e\u3059\u3002Firefox\u306e\u8106\u5f31\u6027\u3092\u7a81\u304f\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u958b\u767a\u8a55\u4fa1\u3067\u306f\u3001Opus 4.8\u304c8.8\uff05\u3001Mythos 5\u304c88.4\uff05\u306e\u78ba\u7387\u3067\u6210\u529f\u3059\u308b\u4e2d\u3001Sonnet 5\u306f250\u56de\u306e\u8a66\u884c\u30671\u4ef6\u3082\u5b8c\u5168\u306a\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3092\u958b\u767a\u3067\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/span><\/p>\n

    \"\"<\/p>\n

    \u753b\u50cf\uff1aAnthropic<\/em><\/span><\/p>\n

    \u3053\u308c\u3092\u8e0f\u307e\u3048\u3001Sonnet 5\u306b\u306fOpus 4.7\u304a\u3088\u30734.8\u3068\u540c\u6c34\u6e96\u306e\u30b5\u30a4\u30d0\u30fc\u95a2\u9023\u30bb\u30fc\u30d5\u30ac\u30fc\u30c9\u304c\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u9069\u7528\u3055\u308c\u3066\u304a\u308a\u3001\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u5371\u967a\u306a\u5229\u7528\u3092\u691c\u51fa\u30fb\u30d6\u30ed\u30c3\u30af\u3057\u307e\u3059\u3002<\/span><\/p>\n

    \u5b89\u5168\u6027\u306b\u95a2\u3059\u308b\u7559\u610f\u70b9<\/strong><\/h3>\n

    \u81ea\u52d5\u5316\u3055\u308c\u305f\u632f\u308b\u821e\u3044\u76e3\u67fb\u306b\u304a\u3044\u3066\u3001Sonnet 5\u306fSonnet 4.6\u3088\u308a\u5b89\u5168\u3067\u3042\u308b\u3082\u306e\u306e\u3001\u3088\u308a\u9ad8\u6027\u80fd\u306aOpus 4.8\u3084Mythos 5\u3068\u6bd4\u8f03\u3059\u308b\u3068\u3001\u671b\u307e\u3057\u304f\u306a\u3044\u6319\u52d5\u3092\u793a\u3059\u5272\u5408\u304c\u3084\u3084\u9ad8\u3044\u3068\u3044\u3046\u30c7\u30fc\u30bf\u3082\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u7cbe\u795e\u7684\u4e0d\u8abf\u306b\u95a2\u3059\u308b\u5bfe\u8a71\u306b\u304a\u3044\u3066\u3001\u30e6\u30fc\u30b6\u30fc\u81ea\u8eab\u304c\u8a00\u53ca\u3057\u3066\u3044\u306a\u3044\u8a3a\u65ad\u540d\u3092\u6301\u3061\u51fa\u3059\u50be\u5411\u304c\u3084\u3084\u5f37\u307e\u3063\u305f\u3068\u306e\u6307\u6458\u3082\u3042\u308b\u305f\u3081\u3001\u5229\u7528\u306e\u969b\u306b\u306f\u7559\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/span><\/p>\n

    \u307e\u3068\u3081<\/b><\/h2>\n

    Claude Sonnet 5\u306f2026\u5e746\u670830\u65e5\u306b\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u305fAnthropic\u306e\u6700\u65b0\u30e2\u30c7\u30eb\u3067\u3001\u4e0a\u4f4d\u30e2\u30c7\u30eb\u300cOpus 4.8\u300d\u306b\u8feb\u308b\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u6a5f\u80fd\u3068\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u6027\u80fd\u3092\u3001Sonnet\u30af\u30e9\u30b9\u306e\u4f4e\u4fa1\u683c\u3067\u5b9f\u73fe\u3057\u305f\u753b\u671f\u7684\u306aAI\u3067\u3059\u3002<\/span><\/p>\n

    \u300c100\u4e07\u30c8\u30fc\u30af\u30f3\u300d\u306e\u5927\u5bb9\u91cf\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3084\u3001Claude Code \/ API\u3067\u306e\u300cAdaptive thinking\uff08\u9069\u5fdc\u7684\u601d\u8003\uff09\u300d\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u5316\u306b\u3088\u308a\u3001\u653e\u7f6e\u72b6\u614b\u3067\u3082\u30a8\u30e9\u30fc\u3092\u81ea\u5df1\u4fee\u5fa9\u3057\u81ea\u5f8b\u7684\u306b\u5b9f\u52d9\u3092\u5b8c\u9042\u3059\u308b\u9ad8\u3044\u4fe1\u983c\u6027\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001effort\u30ec\u30d9\u30eb\u3092\u9069\u5207\u306b\u8abf\u6574\u3059\u308b\u3053\u3068\u3067\u3001\u524d\u30e2\u30c7\u30eb\u3092\u5727\u5012\u3059\u308b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u30b3\u30b9\u30c8\u52b9\u7387\u3092\u4e21\u7acb\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\n

    \u307e\u305f\u30012026\u5e747\u67081\u65e5\u306b\u306f\u3001\u7c73\u653f\u5e9c\u306e\u8f38\u51fa\u898f\u5236\u306b\u3088\u308a\u4e00\u6642\u63d0\u4f9b\u304c\u505c\u6b62\u3055\u308c\u3066\u3044\u305f\u6700\u4e0a\u4f4d\u30e2\u30c7\u30eb\u300cClaude Fable 5\u300d\u304a\u3088\u3073\u300cClaude Mythos 5\u300d\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3082\u9806\u6b21\u56de\u5fa9\u3057\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n

    \u300c\u30b3\u30b9\u30c8\u3092\u6291\u3048\u3064\u3064\u3001\u65e5\u5e38\u7684\u306a\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3084\u5b9f\u52d9\u3092AI\u306b\u81ea\u5f8b\u7684\u306b\u5b8c\u7d50\u3055\u305b\u305f\u3044\u300d\u3068\u3044\u3046\u7528\u9014\u3067\u3042\u308c\u3070\u3001\u672c\u8a18\u4e8b\u3067\u7d39\u4ecb\u3057\u305fSonnet 5\u304c\u6700\u9069\u306a\u9078\u629e\u80a2\u3068\u306a\u308a\u307e\u3059\u3002\u4e00\u65b9\u3067\u3001\u300c\u8907\u96d1\u306a\u79d1\u5b66\u7814\u7a76\u3084\u3001\u5168\u65b9\u4f4d\u306b\u304a\u3044\u3066Anthropic\u53f2\u4e0a\u6700\u9ad8\u5cf0\u306e\u63a8\u8ad6\u80fd\u529b\u3092\u30d5\u30eb\u6d3b\u7528\u3057\u305f\u3044\u300d\u3068\u3044\u3046\u5834\u5408\u306f\u6700\u4e0a\u4f4d\u306eFable 5\u304c\u304a\u3059\u3059\u3081\u3067\u3059\u3002<\/span><\/p>\n

    Anthropic\u306e\u6700\u9ad8\u5cf0\u30e2\u30c7\u30eb\u300cFable 5\u300d\u304a\u3088\u3073\u300cMythos 5\u300d\u306e\u9a5a\u7570\u7684\u306a\u6027\u80fd\u3084\u3001Sonnet 5\u3068\u306e\u8a73\u3057\u3044\u9055\u3044\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u5fb9\u5e95\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u3042\u308f\u305b\u3066\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/span><\/p>\n

    \u25b6\ufe0e <\/span>Anthropic\u304c\u300cClaude Fable 5\u300d\u300cClaude Mythos 5\u300d\u3092\u516c\u958b\uff01\u7279\u5fb4\u30fb\u6027\u80fd\u30fb\u6599\u91d1\u306a\u3069\u3092\u89e3\u8aac<\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

    2026\u5e746\u670830\u65e5\u3001Anthropic\u306f\u6700\u65b0\u306e\u751f\u6210AI\u30e2\u30c7\u30eb\u300cClaude Sonnet 5\u300d\u3092\u767a\u8868\u3057\u307e\u3057\u305f\u3002\u540c\u65e5\u3088\u308a\u3001Claude.ai\u3084Claude Code\u3001Claude Platform\uff08A […]<\/p>\n","protected":false},"author":21,"featured_media":15295,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":""},"categories":[44],"tags":[],"_links":{"self":[{"href":"https:\/\/taskhub.jp\/magazine\/wp-json\/wp\/v2\/posts\/15290"}],"collection":[{"href":"https:\/\/taskhub.jp\/magazine\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/taskhub.jp\/magazine\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/taskhub.jp\/magazine\/wp-json\/wp\/v2\/users\/21"}],"replies":[{"embeddable":true,"href":"https:\/\/taskhub.jp\/magazine\/wp-json\/wp\/v2\/comments?post=15290"}],"version-history":[{"count":2,"href":"https:\/\/taskhub.jp\/magazine\/wp-json\/wp\/v2\/posts\/15290\/revisions"}],"predecessor-version":[{"id":15297,"href":"https:\/\/taskhub.jp\/magazine\/wp-json\/wp\/v2\/posts\/15290\/revisions\/15297"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/taskhub.jp\/magazine\/wp-json\/wp\/v2\/media\/15295"}],"wp:attachment":[{"href":"https:\/\/taskhub.jp\/magazine\/wp-json\/wp\/v2\/media?parent=15290"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/taskhub.jp\/magazine\/wp-json\/wp\/v2\/categories?post=15290"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/taskhub.jp\/magazine\/wp-json\/wp\/v2\/tags?post=15290"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}