{"id":7001,"date":"2026-09-01T23:15:47","date_gmt":"2026-09-01T14:15:47","guid":{"rendered":"https:\/\/jinrai.co.jp\/?p=7001"},"modified":"2026-09-01T23:17:06","modified_gmt":"2026-09-01T14:17:06","slug":"claude-opus-5-effort-guide","status":"publish","type":"post","link":"https:\/\/jinrai.co.jp\/en\/blog\/2026\/09\/01\/claude-opus-5-effort-guide\/","title":{"rendered":"Claude Opus 5\u306eeffort\u4f7f\u3044\u5206\u3051\uff5c5\u6bb5\u968e\u306e\u9078\u3073\u65b9\u3068\u3001xhigh\u30fbmax\u3067\u8d77\u304d\u308b400\u30a8\u30e9\u30fc"},"content":{"rendered":"
\n

\u7d50\u8ad6<\/p>\n

Claude Opus 5\u3067\u306feffort\u304c\u6319\u52d5\u3092\u6c7a\u3081\u308b\u4e3b\u8981\u306a\u5236\u5fa1<\/strong>\u306b\u306a\u308a\u307e\u3057\u305f\u3002low<\/code> \u304b\u3089 max<\/code> \u307e\u3067\u306e5\u6bb5\u968e\u3092\u7528\u9014\u3067\u4f7f\u3044\u5206\u3051\u307e\u3059\u3002\u3042\u308f\u305b\u3066\u7834\u58ca\u7684\u5909\u66f4\u304c1\u3064\u3042\u308a\u307e\u3059\u3002effort\u304c xhigh<\/code> \u307e\u305f\u306f max<\/code> \u306e\u3068\u304d\u3001thinking\u3092\u7121\u52b9\u5316\u3059\u308b\u3068400\u30a8\u30e9\u30fc<\/strong>\u306b\u306a\u308a\u307e\u3059\u3002Opus 4.8\u3067\u306f\u901a\u3063\u3066\u3044\u305f\u7d44\u307f\u5408\u308f\u305b\u306a\u306e\u3067\u3001\u79fb\u884c\u6642\u306b\u78ba\u8a8d\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<\/div>\n

Claude Opus 5\u306f2026\u5e747\u670824\u65e5\u306b\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u307e\u3057\u305f\u3002\u516c\u5f0f\u306f\u300cClaude Opus 4.8\u304b\u3089\u306e\u6bb5\u968e\u7684\u306a\u6539\u5584\uff08step-change improvement\uff09\u300d\u3068\u8868\u73fe\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n
\u9805\u76ee<\/th>\n\u5185\u5bb9<\/th>\n<\/tr>\n<\/thead>\n
\u30e2\u30c7\u30ebID<\/td>\nclaude-opus-5<\/code><\/td>\n<\/tr>\n
\u4fa1\u683c<\/td>\n$5 \/ $25 per MTok<\/strong>\uff08Opus 4.8\u3068\u540c\u984d\uff09<\/td>\n<\/tr>\n
\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8<\/td>\n100\u4e07\u30c8\u30fc\u30af\u30f3\uff08\u65e2\u5b9a\u304b\u3064\u6700\u5927\uff09<\/td>\n<\/tr>\n
\u6700\u5927\u51fa\u529b<\/td>\n12\u4e078\u5343\u30c8\u30fc\u30af\u30f3<\/td>\n<\/tr>\n
thinking<\/td>\n\u65e2\u5b9a\u3067\u30aa\u30f3<\/strong><\/td>\n<\/tr>\n
\u63d0\u4f9b\u5148<\/td>\nClaude API\uff0fAmazon Bedrock\uff0fClaude Platform on AWS\uff0fGoogle Cloud\uff0fMicrosoft Foundry<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\u4fa1\u683c\u304cOpus 4.8\u3068\u540c\u984d<\/strong>\u3067\u3042\u308b\u70b9\u306f\u91cd\u8981\u3067\u3059\u3002\u6027\u80fd\u304c\u4e0a\u304c\u3063\u3066\u4fa1\u683c\u304c\u636e\u3048\u7f6e\u304d\u306a\u306e\u3067\u3001Opus 4.8\u3092\u4f7f\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u79fb\u884c\u3057\u306a\u3044\u7406\u7531\u304c\u4e4f\u3057\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n

effort\u304c\u4e3b\u8981\u306a\u5236\u5fa1\u306b\u306a\u3063\u305f<\/h2>\n

\u516c\u5f0f\u30ea\u30ea\u30fc\u30b9\u30ce\u30fc\u30c8\u306b\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u660e\u8a18\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

\n

effort\u306fClaude Opus 5\u3092\u5236\u5fa1\u3059\u308b\u305f\u3081\u306e\u4e3b\u8981\u306a\u624b\u6bb5\u3067\u3059\u3002\u3053\u306e\u30e2\u30c7\u30eb\u306f\u5b8c\u5168\u306a\u6bb5\u968e\uff08low<\/code>\u3001medium<\/code>\u3001high<\/code>\u3001xhigh<\/code>\u3001max<\/code>\uff09\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3001max<\/code> \u306f\u80fd\u529b\u304c\u6c7a\u5b9a\u7684\u306b\u91cd\u8981\u306a\u4f5c\u696d\u5411\u3051<\/strong>\u3067\u3059\u3002<\/p>\n<\/div>\n

\u5f93\u6765\u306e budget_tokens<\/code> \u306b\u3088\u308b\u5236\u5fa1\u306f\u3059\u3067\u306b\u65b0\u4e16\u4ee3\u30e2\u30c7\u30eb\u304b\u3089\u5916\u308c\u3066\u304a\u308a\u3001effort\u304c\u5f8c\u7d99<\/strong>\u3068\u3044\u3046\u4f4d\u7f6e\u3065\u3051\u3067\u3059\u3002<\/p>\n

5\u6bb5\u968e\u306e\u4f7f\u3044\u5206\u3051<\/h3>\n

effort\u306f\u601d\u8003\u306b\u304b\u3051\u308b\u30ea\u30bd\u30fc\u30b9\u3092\u6bb5\u968e\u7684\u306b\u8abf\u6574\u3059\u308b\u30d1\u30e9\u30e1\u30fc\u30bf\u3067\u3059\u3002\u6bb5\u968e\u304c\u4e0a\u304c\u308b\u307b\u3069\u54c1\u8cea\u306f\u4e0a\u304c\u308a\u307e\u3059\u304c\u3001\u30c8\u30fc\u30af\u30f3\u6d88\u8cbb\u3068\u5fdc\u7b54\u6642\u9593\u3082\u5897\u3048\u307e\u3059\u3002<\/p>\n

\n

low \/ medium<\/strong>\u3000\u5b9a\u578b\u7684\u306a\u51e6\u7406\u3001\u5206\u985e\u3001\u62bd\u51fa\u3002\u901f\u5ea6\u3068\u30b3\u30b9\u30c8\u3092\u512a\u5148\u3059\u308b\u5834\u9762<\/p>\n

high<\/strong>\u3000\u65e2\u5b9a\u3068\u3057\u3066\u60f3\u5b9a\u3055\u308c\u308b\u6c34\u6e96\u3002Opus 4.8\u3067\u306f\u5168\u30b5\u30fc\u30d5\u30a7\u30b9\u3067high\u304c\u65e2\u5b9a\u3067\u3057\u305f<\/p>\n

xhigh<\/strong>\u300030\u5206\u3092\u8d85\u3048\u308b\u9577\u6642\u9593\u306e\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u4f5c\u696d\u3084\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u5411\u3051\u3002Opus 4.7\u3067\u8ffd\u52a0\u3055\u308c\u305f\u6bb5\u968e\u3067\u3059<\/p>\n

max<\/strong>\u3000\u80fd\u529b\u304c\u6c7a\u5b9a\u7684\u306b\u91cd\u8981\u306a\u4f5c\u696d\u3002\u30b3\u30b9\u30c8\u3068\u6642\u9593\u3092\u8a31\u5bb9\u3057\u3066\u3067\u3082\u54c1\u8cea\u3092\u53d6\u308b\u5834\u9762<\/p>\n<\/div>\n

\u5168\u30ea\u30af\u30a8\u30b9\u30c8\u3092 max<\/code> \u306b\u3059\u308b\u306e\u306f\u63a8\u5968\u3055\u308c\u307e\u305b\u3093\u3002<\/strong>\u601d\u8003\u30c8\u30fc\u30af\u30f3\u306f\u8ab2\u91d1\u5bfe\u8c61\u3067\u3042\u308a\u3001\u5fdc\u7b54\u6642\u9593\u3082\u4f38\u3073\u307e\u3059\u3002\u7528\u9014\u3054\u3068\u306b\u6bb5\u968e\u3092\u6c7a\u3081\u308b\u306e\u304c\u6b63\u3057\u3044\u4f7f\u3044\u65b9\u3067\u3059\u3002<\/p>\n

\u7834\u58ca\u7684\u5909\u66f4\uff5cxhigh\u30fbmax\u3067\u306fthinking\u3092\u7121\u52b9\u5316\u3067\u304d\u306a\u3044<\/h2>\n

Opus 4.8\u304b\u3089\u306e\u79fb\u884c\u3067\u552f\u4e00\u3064\u307e\u305a\u304f\u306e\u304c\u3053\u3053\u3067\u3059\u3002<\/p>\n

\n

400\u30a8\u30e9\u30fc\u306b\u306a\u308b\u7d44\u307f\u5408\u308f\u305b<\/p>\n

thinking: {\"type\": \"disabled\"}<\/code> \uff0b effort \u304c xhigh<\/code> \u307e\u305f\u306f max<\/code><\/p>\n

\u516c\u5f0f\u306f\u300cClaude Opus 4.8\u304b\u3089\u306e\u7834\u58ca\u7684\u5909\u66f4\u300d\u3068\u660e\u8a18\u3057\u3066\u3044\u307e\u3059\u3002thinking\u306e\u7121\u52b9\u5316\u304c\u8a31\u3055\u308c\u308b\u306e\u306feffort\u304chigh\u4ee5\u4e0b\u306e\u3068\u304d<\/strong>\u3060\u3051\u3067\u3059\u3002<\/p>\n<\/div>\n

\u5bfe\u5fdc\u306f2\u3064\u306e\u3044\u305a\u308c\u304b\u3067\u3059\u3002<\/p>\n

    \n
  • thinking\u3092\u7121\u52b9\u5316\u3057\u305f\u3044\u5834\u5408<\/strong>\u2014\u2014effort\u3092 high<\/code> \u4ee5\u4e0b\u306b\u4e0b\u3052\u308b<\/li>\n
  • xhigh \/ max \u3092\u4f7f\u3044\u305f\u3044\u5834\u5408<\/strong>\u2014\u2014thinking\u306e\u7121\u52b9\u5316\u6307\u5b9a\u3092\u524a\u9664\u3059\u308b<\/li>\n<\/ul>\n

    \u306a\u304a\u3001Claude Code\u3067\u306feffort\u304cxhigh\/max\u304b\u3064thinking\u304c\u30aa\u30d5\u306e\u3068\u304d\u3001effort\u3092\u81ea\u52d5\u7684\u306bhigh\u3068\u3057\u3066\u9001\u308b<\/strong>\u6319\u52d5\u306b\u4fee\u6b63\u3055\u308c\u3066\u3044\u307e\u3059\u3002API\u76f4\u53e9\u304d\u306e\u5834\u5408\u306f\u81ea\u5206\u3067\u5bfe\u5fdc\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n

    Opus 5\u3067\u8ffd\u52a0\u3055\u308c\u305f\u3082\u306e<\/h2>\n

    \u4f1a\u8a71\u9014\u4e2d\u3067\u306e\u30c4\u30fc\u30eb\u5909\u66f4\uff08\u30d9\u30fc\u30bf\uff09<\/h3>\n

    \u4f1a\u8a71\u306e\u30bf\u30fc\u30f3\u3068\u30bf\u30fc\u30f3\u306e\u9593\u3067\u30c4\u30fc\u30eb\u3092\u8ffd\u52a0\u30fb\u524a\u9664\u3057\u3066\u3082\u3001\u30d7\u30ed\u30f3\u30d7\u30c8\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u7dad\u6301\u3055\u308c\u308b<\/strong>\u6a5f\u80fd\u3067\u3059\u3002\u9577\u6642\u9593\u52d5\u304f\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u3067\u3001\u6bb5\u968e\u306b\u5fdc\u3058\u3066\u4f7f\u3048\u308b\u30c4\u30fc\u30eb\u3092\u5207\u308a\u66ff\u3048\u308b\u8a2d\u8a08\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

    \u30d9\u30fc\u30bf\u30d8\u30c3\u30c0\u30fc mid-conversation-tool-changes-2026-07-01<\/code> \u304c\u5fc5\u8981\u3067\u3059\u3002Opus 5\u306e\u307b\u304b\u3001Fable 5\u30fbMythos 5\u30fbOpus 4.8\u3067\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n

    \u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u306e\u300cdefault\u300d\u30e2\u30fc\u30c9<\/h3>\n

    \u30ea\u30af\u30a8\u30b9\u30c8\u304c\u62d2\u5426\u3055\u308c\u305f\u969b\u306b\u5225\u30e2\u30c7\u30eb\u3067\u518d\u5b9f\u884c\u3059\u308b fallbacks<\/code> \u30d1\u30e9\u30e1\u30fc\u30bf\u306b\u3001Anthropic\u63a8\u5968\u306e\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u5148\u3092\u62d2\u5426\u30ab\u30c6\u30b4\u30ea\u5225\u306b\u81ea\u52d5\u9069\u7528\u3059\u308b<\/strong> \"default\"<\/code> \u30e2\u30fc\u30c9\u304c\u8ffd\u52a0\u3055\u308c\u307e\u3057\u305f\u3002\u30d9\u30fc\u30bf\u30d8\u30c3\u30c0\u30fc server-side-fallback-2026-07-01<\/code> \u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n

    fast mode\u306e\u6574\u7406<\/h3>\n

    Opus 4.7\u306efast mode\u306f2026\u5e747\u670824\u65e5\u306b\u524a\u9664<\/strong>\u3055\u308c\u3001speed: \"fast\"<\/code> \u306f\u30a8\u30e9\u30fc\u3092\u8fd4\u3059\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002Opus 4.6\u306efast mode\u30826\u670829\u65e5\u306b\u524a\u9664\u6e08\u307f\u3067\u3059\uff08\u3053\u3061\u3089\u306f\u30a8\u30e9\u30fc\u3067\u306f\u306a\u304f\u6a19\u6e96\u901f\u5ea6\u3067\u52d5\u4f5c\uff09\u3002fast mode\u3092\u4f7f\u3044\u7d9a\u3051\u308b\u306b\u306fOpus 5\u307e\u305f\u306fOpus 4.8\u3078\u306e\u79fb\u884c\u304c\u5fc5\u8981<\/strong>\u3067\u3059\u3002<\/p>\n

    \u79fb\u884c\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/h2>\n
    \n

    \u2610\u3000thinking: {\"type\": \"disabled\"}<\/code> \u3068 effort \u306e\u7d44\u307f\u5408\u308f\u305b\u3092\u78ba\u8a8d\u3059\u308b<\/p>\n

    \u2610\u3000\u7528\u9014\u3054\u3068\u306b effort \u306e\u6bb5\u968e\u3092\u6c7a\u3081\u308b\uff08\u5168\u90e8max\u306b\u3057\u306a\u3044\uff09<\/p>\n

    \u2610\u3000Opus 4.7\u306efast mode\u3092\u4f7f\u3063\u3066\u3044\u306a\u3044\u304b\u78ba\u8a8d\u3059\u308b\uff08\u524a\u9664\u6e08\u307f\uff09<\/p>\n

    \u2610\u3000thinking\u30c8\u30fc\u30af\u30f3\u306e\u6d88\u8cbb\u91cf\u3092 usage.output_tokens_details.thinking_tokens<\/code> \u3067\u5b9f\u6e2c\u3059\u308b<\/p>\n

    \u2610\u3000\u5c11\u91cf\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3067\u30b3\u30b9\u30c8\u3068\u54c1\u8cea\u3092\u78ba\u8a8d\u3057\u3066\u304b\u3089\u5168\u9762\u79fb\u884c\u3059\u308b<\/p>\n<\/div>\n

    \u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n

    Opus 4.8\u304b\u3089\u79fb\u884c\u3059\u308b\u4fa1\u5024\u306f\u3042\u308a\u307e\u3059\u304b<\/h3>\n

    \u4fa1\u683c\u304c\u540c\u984d\uff08$5 \/ $25 per MTok\uff09\u3067\u6027\u80fd\u304c\u6539\u5584\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u79fb\u884c\u3057\u306a\u3044\u7406\u7531\u306f\u4e4f\u3057\u3044\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002\u305f\u3060\u3057effort\u3068thinking\u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u7834\u58ca\u7684\u5909\u66f4\u304c\u3042\u308b\u305f\u3081\u3001\u305d\u306e1\u70b9\u3060\u3051\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n

    effort\u306f\u3069\u306e\u6bb5\u968e\u304b\u3089\u8a66\u3059\u3079\u304d\u3067\u3059\u304b<\/h3>\n

    high<\/code> \u304b\u3089\u59cb\u3081\u308b\u306e\u304c\u59a5\u5f53\u3067\u3059\u3002Opus 4.8\u3067\u306f\u5168\u30b5\u30fc\u30d5\u30a7\u30b9\u3067high\u304c\u65e2\u5b9a\u3067\u3057\u305f\u3002\u305d\u3053\u304b\u3089\u3001\u54c1\u8cea\u304c\u8db3\u308a\u306a\u3051\u308c\u3070\u4e0a\u3052\u3001\u30b3\u30b9\u30c8\u304c\u6c17\u306b\u306a\u308c\u3070\u4e0b\u3052\u308b\u3001\u3068\u3044\u3046\u8abf\u6574\u304c\u73fe\u5b9f\u7684\u3067\u3059\u3002<\/p>\n

    Opus 5\u3068Sonnet 5\u306f\u3069\u3046\u4f7f\u3044\u5206\u3051\u307e\u3059\u304b<\/h3>\n

    \u5358\u4fa1\u306fOpus 5\u304cSonnet 5\u306e2.5\u500d\u3067\u3059\uff08$5\/$25 \u5bfe $2\/$10\uff09\u3002\u65e5\u5e38\u7684\u306a\u51e6\u7406\u3084\u5927\u91cf\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u306fSonnet 5\u3001\u96e3\u6613\u5ea6\u306e\u9ad8\u3044\u5224\u65ad\u3084\u9577\u6642\u9593\u306e\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u4f5c\u696d\u306fOpus 5\u3001\u3068\u3044\u3046\u5207\u308a\u5206\u3051\u304c\u57fa\u672c\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

    Opus 4.1\u306f\u307e\u3060\u4f7f\u3048\u307e\u3059\u304b<\/h3>\n

    \u4f7f\u3048\u307e\u305b\u3093\u30022026\u5e748\u67085\u65e5\u306b\u5ec3\u6b62<\/strong>\u3055\u308c\u3001API\u3078\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u306f\u30a8\u30e9\u30fc\u3092\u8fd4\u3057\u307e\u3059\u3002Opus 4\u3068Sonnet 4\u30826\u670815\u65e5\u306b\u5ec3\u6b62\u6e08\u307f\u3067\u3059\u3002<\/p>\n

    \u51fa\u5178<\/h2>\n