{"id":250,"date":"2026-10-04T02:14:40","date_gmt":"2026-10-04T02:14:40","guid":{"rendered":"https:\/\/ntokenx.com\/blog\/index.php\/2026\/10\/04\/llm-429-retry\/"},"modified":"2026-10-09T09:47:49","modified_gmt":"2026-10-09T09:47:49","slug":"llm-429-retry","status":"publish","type":"post","link":"https:\/\/ntokenx.com\/blog\/index.php\/2026\/10\/04\/llm-429-retry\/","title":{"rendered":"\u5927\u6a21\u578b\u63a5\u53e3\u8c03\u7528\u9519\u8bef\u7801429\u81ea\u52a8\u91cd\u8bd5\u7b56\u7565\uff1a\u9000\u907f\u3001\u6296\u52a8\u4e0e\u8def\u7531\u964d\u7ea7"},"content":{"rendered":"

\u4f5c\u8005\uff1anTokenX\uff5c\u53d1\u5e03\u65e5\u671f\uff1a2026-10-04\uff5c\u66f4\u65b0\u65e5\u671f\uff1a2026-10-04<\/em><\/p>\n

\u5927\u6a21\u578b\u63a5\u53e3\u8c03\u7528\u9519\u8bef\u7801429\u81ea\u52a8\u91cd\u8bd5\u7b56\u7565<\/strong>\u4e0d\u80fd\u53ea\u662f\u6355\u83b7\u5f02\u5e38\u540e\u7acb\u5373\u91cd\u53d1\u3002\u751f\u4ea7\u73af\u5883\u5e94\u5148\u5224\u65ad\u9650\u6d41\u539f\u56e0\uff0c\u518d\u6309 Retry-After<\/code>\u3001\u6307\u6570\u9000\u907f\u3001\u968f\u673a\u6296\u52a8\u3001\u91cd\u8bd5\u9884\u7b97\u548c\u8def\u7531\u964d\u7ea7\u7684\u987a\u5e8f\u5904\u7406\uff0c\u5426\u5219\u91cd\u8bd5\u672c\u8eab\u53ef\u80fd\u653e\u5927\u6d41\u91cf\u5cf0\u503c\u3002<\/p>\n

\u5927\u6a21\u578b API \u4e3a\u4ec0\u4e48\u4f1a\u8fd4\u56de 429\uff1f<\/h2>\n

HTTP 429 \u8868\u793a\u5f53\u524d\u8bf7\u6c42\u56e0\u901f\u7387\u3001Token\u3001\u5e76\u53d1\u6216\u8d26\u6237\u914d\u989d\u9650\u5236\u800c\u672a\u88ab\u63a5\u53d7\uff0c\u4f46\u5e76\u975e\u6240\u6709 429 \u90fd\u9002\u5408\u81ea\u52a8\u91cd\u8bd5\u3002<\/strong> \u4e34\u65f6\u9650\u6d41\u53ef\u4ee5\u7b49\u5f85\u6062\u590d\uff0c\u4f59\u989d\u3001\u6d88\u8d39\u4e0a\u9650\u6216\u957f\u671f\u914d\u989d\u8017\u5c3d\u5219\u9700\u8981\u4eba\u5de5\u5904\u7406\u3002<\/p>\n

\u5e38\u89c1\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n

\n\n\n\n\n\n\n\n\n\n
429 \u7c7b\u578b<\/th>\n\u8bc6\u522b\u4fe1\u53f7<\/th>\n\u6b63\u786e\u52a8\u4f5c<\/th>\n<\/tr>\n<\/thead>\n
\u8bf7\u6c42\u901f\u7387\u8d85\u9650<\/td>\nRPM\u3001QPS \u5269\u4f59\u91cf\u5f52\u96f6<\/td>\n\u5ef6\u8fdf\u540e\u91cd\u8bd5\u5e76\u964d\u4f4e\u53d1\u9001\u901f\u5ea6<\/td>\n<\/tr>\n
Token \u901f\u7387\u8d85\u9650<\/td>\nTPM\u3001\u8f93\u5165\u6216\u8f93\u51fa Token \u8d85\u9650<\/td>\n\u7f29\u77ed\u4e0a\u4e0b\u6587\u5e76\u9650\u5236\u5e76\u53d1<\/td>\n<\/tr>\n
\u7a81\u53d1\u6d41\u91cf\u9650\u5236<\/td>\n\u5e73\u5747\u7528\u91cf\u6b63\u5e38\uff0c\u4f46\u77ac\u65f6\u8bf7\u6c42\u6fc0\u589e<\/td>\n\u5e73\u6ed1\u6d41\u91cf\uff0c\u52a0\u5165\u968f\u673a\u6296\u52a8<\/td>\n<\/tr>\n
\u5e76\u53d1\u69fd\u4f4d\u8017\u5c3d<\/td>\n\u957f\u8fde\u63a5\u6216\u6d41\u5f0f\u8bf7\u6c42\u8fc7\u591a<\/td>\n\u6392\u961f\uff0c\u4e0d\u8981\u7acb\u5373\u91cd\u653e<\/td>\n<\/tr>\n
\u8d26\u6237\u914d\u989d\u6216\u6d88\u8d39\u4e0a\u9650<\/td>\n\u9519\u8bef\u4f53\u63d0\u793a\u989d\u5ea6\u3001\u4f59\u989d\u6216\u8d26\u5355\u95ee\u9898<\/td>\n\u505c\u6b62\u91cd\u8bd5\u5e76\u544a\u8b66<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

OpenAI \u660e\u786e\u6307\u51fa\uff0c429 \u65e2\u53ef\u80fd\u662f\u4e34\u65f6\u901f\u7387\u9650\u5236\uff0c\u4e5f\u53ef\u80fd\u6765\u81ea\u4f59\u989d\u6216\u4f7f\u7528\u4e0a\u9650\uff1bAnthropic \u7684\u901f\u7387\u9650\u5236\u5219\u6309\u8bf7\u6c42\u3001\u8f93\u5165 Token \u548c\u8f93\u51fa Token \u7b49\u7ef4\u5ea6\u8ba1\u7b97\u3002(developers.openai.com<\/a>)<\/p>\n

\"\u5927\u6a21\u578b\u63a5\u53e3\u8c03\u7528\u9519\u8bef\u7801429\u81ea\u52a8\u91cd\u8bd5\u7b56\u7565\u51b3\u7b56\u6d41\u7a0b\"<\/figure>\n

\u6536\u5230 429 \u540e\u5e94\u8be5\u6309\u4ec0\u4e48\u987a\u5e8f\u5904\u7406\uff1f<\/h2>\n

\u6b63\u786e\u6d41\u7a0b\u662f\uff1a\u89e3\u6790\u9519\u8bef\u7c7b\u578b\uff0c\u4f18\u5148\u9075\u5b88\u670d\u52a1\u7aef\u7b49\u5f85\u65f6\u95f4\uff0c\u518d\u6267\u884c\u5e26\u6296\u52a8\u7684\u622a\u65ad\u6307\u6570\u9000\u907f\uff1b\u8d85\u8fc7\u603b\u65f6\u9650\u540e\u8fdb\u5165\u961f\u5217\u3001\u5207\u6362\u8def\u7531\u6216\u5feb\u901f\u5931\u8d25\u3002<\/strong><\/p>\n

    \n
  1. \u8bfb\u53d6 HTTP \u72b6\u6001\u7801\u3001\u9519\u8bef\u7801\u548c\u9519\u8bef\u6d88\u606f\u3002<\/li>\n
  2. \u68c0\u67e5 Retry-After<\/code> \u53ca\u9650\u6d41\u91cd\u7f6e\u54cd\u5e94\u5934\u3002<\/li>\n
  3. \u6392\u9664\u4f59\u989d\u4e0d\u8db3\u3001\u6d88\u8d39\u4e0a\u9650\u548c\u6c38\u4e45\u914d\u989d\u95ee\u9898\u3002<\/li>\n
  4. \u786e\u8ba4\u8bf7\u6c42\u662f\u5426\u53ef\u5b89\u5168\u91cd\u8bd5\uff0c\u5c24\u5176\u662f\u5de5\u5177\u8c03\u7528\u4e0e\u5199\u64cd\u4f5c\u3002<\/li>\n
  5. \u6ca1\u6709\u6709\u6548\u7b49\u5f85\u65f6\u95f4\u65f6\uff0c\u4f7f\u7528\u6307\u6570\u9000\u907f\u52a0\u968f\u673a\u6296\u52a8\u3002<\/li>\n
  6. \u8fbe\u5230\u6b21\u6570\u6216\u603b\u65f6\u95f4\u4e0a\u9650\u540e\u505c\u6b62\u91cd\u8bd5\u3002<\/li>\n
  7. \u5c06\u4efb\u52a1\u653e\u56de\u961f\u5217\uff0c\u6216\u5207\u6362\u5df2\u901a\u8fc7\u517c\u5bb9\u6027\u9a8c\u8bc1\u7684\u6a21\u578b\u901a\u9053\u3002<\/li>\n<\/ol>\n

    OpenAI \u548c Anthropic \u90fd\u5efa\u8bae\u9075\u5b88 Retry-After<\/code>\uff1bGoogle Gemini \u6587\u6863\u5219\u5efa\u8bae\u5bf9\u53ef\u6062\u590d\u7684 429\u3001408 \u4e0e\u90e8\u5206 5xx \u4f7f\u7528\u6307\u6570\u9000\u907f\uff0c\u5e76\u8bbe\u7f6e\u6700\u5927\u91cd\u8bd5\u6b21\u6570\u3002(developers.openai.com<\/a>)<\/p>\n

    \u6307\u6570\u9000\u907f\u548c\u968f\u673a\u6296\u52a8\u5982\u4f55\u8ba1\u7b97\uff1f<\/h2>\n

    \u63a8\u8350\u4f7f\u7528\u5168\u6296\u52a8\u622a\u65ad\u9000\u907f\uff1a\u6bcf\u8f6e\u5148\u8ba1\u7b97\u6307\u6570\u4e0a\u9650\uff0c\u518d\u4ece\u96f6\u5230\u8be5\u4e0a\u9650\u4e4b\u95f4\u968f\u673a\u7b49\u5f85\u3002<\/strong> \u5b83\u6bd4\u56fa\u5b9a\u95f4\u9694\u66f4\u80fd\u5206\u6563\u5e76\u53d1\u5ba2\u6237\u7aef\uff0c\u907f\u514d\u6062\u590d\u65f6\u518d\u6b21\u5f62\u6210\u201c\u60ca\u7fa4\u201d\u3002<\/p>\n

    \u9000\u907f\u4e0a\u9650 = min(\u6700\u5927\u5ef6\u8fdf, \u57fa\u7840\u5ef6\u8fdf \u00d7 2^\u91cd\u8bd5\u6b21\u6570)\n\u5b9e\u9645\u7b49\u5f85 = random(0, \u9000\u907f\u4e0a\u9650)\n<\/code><\/pre>\n
    \u4ee5\u57fa\u7840\u5ef6\u8fdf 500 \u6beb\u79d2\u3001\u6700\u591a\u91cd\u8bd5 4 \u6b21\u4e3a\u4f8b\uff1a<\/p>\n
    \n\n\n\n\n\n\n\n\n
    \u91cd\u8bd5\u8f6e\u6b21<\/th>\n\u65e0\u6296\u52a8\u7b49\u5f85<\/th>\n\u5168\u6296\u52a8\u8303\u56f4<\/th>\n<\/tr>\n<\/thead>\n
    \u7b2c 1 \u6b21<\/td>\n0.5 \u79d2<\/td>\n0\uff5e0.5 \u79d2<\/td>\n<\/tr>\n
    \u7b2c 2 \u6b21<\/td>\n1 \u79d2<\/td>\n0\uff5e1 \u79d2<\/td>\n<\/tr>\n
    \u7b2c 3 \u6b21<\/td>\n2 \u79d2<\/td>\n0\uff5e2 \u79d2<\/td>\n<\/tr>\n
    \u7b2c 4 \u6b21<\/td>\n4 \u79d2<\/td>\n0\uff5e4 \u79d2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
    \u56db\u8f6e\u65e0\u6296\u52a8\u7d2f\u8ba1\u7b49\u5f85\u4e3a 7.5 \u79d2\uff0c\u5168\u6296\u52a8\u7684\u7406\u8bba\u5e73\u5747\u7d2f\u8ba1\u7b49\u5f85\u4e3a 3.75 \u79d2\u3002\u82e5 1,000 \u4e2a\u5ba2\u6237\u7aef\u540c\u65f6\u5931\u8d25\u5e76\u56fa\u5b9a\u7b49\u5f85 1 \u79d2\uff0c\u5b83\u4eec\u4f1a\u518d\u6b21\u540c\u65f6\u53d1\u9001 1,000 \u4e2a\u8bf7\u6c42\uff1b\u9996\u8f6e\u91c7\u7528 0\uff5e0.5 \u79d2\u5168\u6296\u52a8\u540e\uff0c\u6309 100 \u6beb\u79d2\u65f6\u95f4\u6876\u6f14\u7b97\uff0c\u5e73\u5747\u7ea6\u6709 200 \u4e2a\u8bf7\u6c42\u843d\u5165\u6bcf\u4e2a\u6876\uff0c\u5cf0\u503c\u538b\u529b\u88ab\u660e\u663e\u644a\u5f00\u3002\u8fd9\u662f\u53c2\u6570\u5316\u5bb9\u91cf\u6f14\u7b97\uff0c\u4e0d\u4ee3\u8868\u7279\u5b9a\u6a21\u578b\u5382\u5546\u7684\u5b9e\u6d4b\u6027\u80fd\u3002<\/p>\n
    TypeScript \u5982\u4f55\u5b9e\u73b0\u53ef\u63a7\u7684 429 \u81ea\u52a8\u91cd\u8bd5\uff1f<\/h2>\n
    \u751f\u4ea7\u4ee3\u7801\u81f3\u5c11\u8981\u540c\u65f6\u9650\u5236\u91cd\u8bd5\u6b21\u6570\u3001\u5355\u6b21\u5ef6\u8fdf\u548c\u603b\u622a\u6b62\u65f6\u95f4\uff0c\u5e76\u907f\u514d\u4e0e SDK \u5185\u7f6e\u91cd\u8bd5\u53e0\u52a0\u3002<\/strong> \u5426\u5219\u5ba2\u6237\u7aef\u91cd\u8bd5\u4e09\u6b21\u3001SDK \u518d\u91cd\u8bd5\u4e09\u6b21\uff0c\u6700\u574f\u53ef\u80fd\u6269\u5f20\u4e3a\u591a\u5c42\u91cd\u590d\u8bf7\u6c42\u3002<\/p>\n
    const sleep = (ms: number) =>\n  new Promise(resolve => setTimeout(resolve, ms));\n\nasync function callWithRetry<T>(\n  send: () => Promise<T>,\n  maxAttempts = 4,\n  deadlineMs = 12_000\n): Promise<T> {\n  const startedAt = Date.now();\n\n  for (let attempt = 0; attempt < maxAttempts; attempt++) {\n    try {\n      return await send();\n    } catch (error: any) {\n      const status = error?.status;\n      const code = error?.code;\n      const retryAfter = Number(error?.headers?.["retry-after"]);\n\n      const temporary429 =\n        status === 429 &&\n        !["credit_balance_exhausted", "quota_exceeded"]\n          .includes(code);\n\n      if (!temporary429 || attempt === maxAttempts - 1) throw error;\n\n      const exponentialCap = Math.min(8000, 500 * 2 ** attempt);\n      const fallbackDelay = Math.random() * exponentialCap;\n      const delayMs = Number.isFinite(retryAfter)\n        ? retryAfter * 1000 + Math.random() * 250\n        : fallbackDelay;\n\n      if (Date.now() - startedAt + delayMs > deadlineMs) throw error;\n      await sleep(delayMs);\n    }\n  }\n\n  throw new Error("\u91cd\u8bd5\u9884\u7b97\u5df2\u8017\u5c3d");\n}\n<\/code><\/pre>\n
    \u63a5\u5165\u524d\u8fd8\u5e94\u6838\u5bf9\u6240\u7528 SDK \u7684\u9ed8\u8ba4\u884c\u4e3a\u3002OpenAI \u5b98\u65b9\u6587\u6863\u63d0\u793a\uff0c\u5176 SDK \u4f1a\u81ea\u52a8\u91cd\u8bd5\u7b26\u5408\u6761\u4ef6\u7684 429 \u548c 503\uff0c\u56e0\u6b64\u5e94\u7528\u5c42\u5fc5\u987b\u628a\u5185\u7f6e\u91cd\u8bd5\u8ba1\u5165\u603b\u9884\u7b97\u3002(developers.openai.com<\/a>)<\/p>\n
    \u4e3a\u4ec0\u4e48\u53ea\u505a\u81ea\u52a8\u91cd\u8bd5\u4ecd\u7136\u4e0d\u591f\uff1f<\/h2>\n
    429 \u901a\u5e38\u662f\u5bb9\u91cf\u7ba1\u7406\u95ee\u9898\uff0c\u800c\u4e0d\u53ea\u662f\u5f02\u5e38\u5904\u7406\u95ee\u9898\u3002<\/strong> \u5982\u679c\u5165\u53e3\u6ca1\u6709\u5e76\u53d1\u9650\u5236\uff0c\u5927\u91cf\u8bf7\u6c42\u4f1a\u5728\u5931\u8d25\u3001\u4f11\u7720\u548c\u518d\u6b21\u5931\u8d25\u4e4b\u95f4\u5faa\u73af\uff0c\u589e\u52a0\u5ef6\u8fdf\u5e76\u6301\u7eed\u6d88\u8017\u901f\u7387\u7a97\u53e3\u3002<\/p>\n
    \u5efa\u8bae\u5efa\u7acb\u56db\u5c42\u9632\u7ebf\uff1a<\/p>\n