错误信息: Error Details: "API 请求失败: 状态码 400, 错误信息: {\"error\":{\"message\":\"This mo...
🚨 错误信息
错误名称: AI_ProviderSpecificError
错误信息: Error Details:
"API 请求失败: 状态码 400, 错误信息: {\"error\":{\"message\":\"This model's maximum context length is 131072 tokens. However, you requested 296261 tokens (296261 in the messages, 0 in the completion). Please reduce the length of the messages or completion.\",\"type\":\"invalid_request_error\",\"param\":null,\"code\":\"invalid_request_error\"}}"
堆栈信息: AI_ProviderSpecificError: Error Details:
"API 请求失败: 状态码 400, 错误信息: {\"error\":{\"message\":\"This model's maximum context length is 131072 tokens. However, you requested 296261 tokens (296261 in the messages, 0 in the completion). Please reduce the length of the messages or completion.\",\"type\":\"invalid_request_error\",\"param\":null,\"code\":\"invalid_request_error\"}}"
at AiSdkToChunkAdapter.convertAndEmitChunk (file:///C:/Program%20Files/Cherry%20Studio/resources/app.asar/out/renderer/assets/store-BH4SMZS1.js:56089:64)
at AiSdkToChunkAdapter.readFullStream (file:///C:/Program%20Files/Cherry%20Studio/resources/app.asar/out/renderer/assets/store-BH4SMZS1.js:55903:10)
at async AiSdkToChunkAdapter.processStream (file:///C:/Program%20Files/Cherry%20Studio/resources/app.asar/out/renderer/assets/store-BH4SMZS1.js:55872:31)
at async ModernAiProvider.modernCompletions (file:///C:/Program%20Files/Cherry%20Studio/resources/app.asar/out/renderer/assets/store-BH4SMZS1.js:274567:22)
at async ModernAiProvider._completionsOrImageGeneration (file:///C:/Program%20Files/Cherry%20Studio/resources/app.asar/out/renderer/assets/store-BH4SMZS1.js:274488:10)
at async ModernAiProvider.completions (file:///C:/Program%20Files/Cherry%20Studio/resources/app.asar/out/renderer/assets/store-BH4SMZS1.js:274471:17)
at async fetchChatCompletion (file:///C:/Program%20Files/Cherry%20Studio/resources/app.asar/out/renderer/assets/store-BH4SMZS1.js:280973:2)
at async transformMessagesAndFetch (file:///C:/Program%20Files/Cherry%20Studio/resources/app.asar/out/renderer/assets/store-BH4SMZS1.js:280910:3)
at async fetchAndProcessAssistantResponseImpl (file:///C:/Program%20Files/Cherry%20Studio/resources/app.asar/out/renderer/assets/store-BH4SMZS1.js:60800:3)
at async file:///C:/Program%20Files/Cherry%20Studio/resources/app.asar/out/renderer/assets/store-BH4SMZS1.js:60892:6
错误原因: "API 请求失败: 状态码 400, 错误信息: {\"error\":{\"message\":\"This model's maximum context length is 131072 tokens. However, you requested 296261 tokens (296261 in the messages, 0 in the completion). Please reduce the length of the messages or completion.\",\"type\":\"invalid_request_error\",\"param\":null,\"code\":\"invalid_request_error\"}}"
🤖 AI解决方案
报错分析报告
1. 错误翻译
原文：This model's maximum context length is 131072 tokens. However, you requested 296261 tokens (296261 in the messages, 0 in the completion). Please reduce the length of the messages or completion.
译文：该模型的最大上下文长度为131072个token。然而，您请求了296261个token（其中消息占296261个，补全占0个）。请缩短消息或补全的长度。
2. 原因分析
messages参数包含过多token，触发模型上下文长度校验失败。3. 解决方案
通过截断/压缩消息历史减少token消耗，示例代码如下（以JavaScript为例）：
javascript
// 工具函数：计算消息总token（需结合具体模型的tokenizer，此处用伪代码示意）
async function calculateTotalTokens(messages) {
const encoder = await getTokenizerEncoder(); // 如tiktoken库
return messages.reduce((sum, msg) => sum + encoder.encode(msg.content).length, 0);
}// 修复逻辑：截断过长消息历史
async function truncateMessages(messages, maxTokens = 131072) {
let totalTokens = await calculateTotalTokens(messages);
// 保留最后1条用户消息+系统提示（避免丢失当前意图）
const keepLast = [messages[0], messages[messages.length - 1]];
while (totalTokens > maxTokens && messages.length > keepLast.length) {
messages.shift(); // 移除最旧的对话轮次
totalTokens = await calculateTotalTokens(messages);
}
return messages;
}
// 使用示例
const originalMessages = [...]; // 原始消息数组
const safeMessages = await truncateMessages(originalMessages);
// 用safeMessages调用API
4.️ 预防措施
TokenTextSplitter（自动按token分割文本）、OpenAI Tokenizer在线工具。