@lobehub/chat/src/libs/model-runtime/siliconcloud/index.ts

Lobe Chat - an open-source, high-performance chatbot framework that supports speech synthesis, multimodal, and extensible Function Call plugin system. Supports one-click free deployment of your private ChatGPT/LLM web application.

import { AgentRuntimeErrorType } from '../error';
import { ChatCompletionErrorPayload, ModelProvider } from '../types';
import { processMultiProviderModelList } from '../utils/modelParse';
import { createOpenAICompatibleRuntime } from '../utils/openaiCompatibleFactory';

export interface SiliconCloudModelCard {
  id: string;
}

export const LobeSiliconCloudAI = createOpenAICompatibleRuntime({
  baseURL: 'https://api.siliconflow.cn/v1',
  chatCompletion: {
    handleError: (error: any): Omit<ChatCompletionErrorPayload, 'provider'> | undefined => {
      let errorResponse: Response | undefined;
      if (error instanceof Response) {
        errorResponse = error;
      } else if ('status' in (error as any)) {
        errorResponse = error as Response;
      }
      if (errorResponse) {
        if (errorResponse.status === 401) {
          return {
            error: errorResponse.status,
            errorType: AgentRuntimeErrorType.InvalidProviderAPIKey,
          };
        }

        if (errorResponse.status === 403) {
          return {
            error: errorResponse.status,
            errorType: AgentRuntimeErrorType.ProviderBizError,
            message:
              '请检查 API Key 余额是否充足，或者是否在用未实名的 API Key 访问需要实名的模型。',
          };
        }
      }
      return {
        error,
      };
    },
    handlePayload: (payload) => {
      const { max_tokens, model, thinking, ...rest } = payload;
      const thinkingBudget =
        thinking?.budget_tokens === 0 ? 1 : thinking?.budget_tokens || undefined;

      return {
        ...rest,
        ...(['qwen3'].some((keyword) => model.toLowerCase().includes(keyword))
          ? {
              enable_thinking: thinking !== undefined ? thinking.type === 'enabled' : false,
              thinking_budget:
                thinkingBudget === undefined
                  ? undefined
                  : Math.min(Math.max(thinkingBudget, 1), 32_768),
            }
          : {}),
        max_tokens:
          max_tokens === undefined ? undefined : Math.min(Math.max(max_tokens, 1), 16_384),
        model,
      } as any;
    },
  },
  debug: {
    chatCompletion: () => process.env.DEBUG_SILICONCLOUD_CHAT_COMPLETION === '1',
  },
  errorType: {
    bizError: AgentRuntimeErrorType.ProviderBizError,
    invalidAPIKey: AgentRuntimeErrorType.InvalidProviderAPIKey,
  },
  models: async ({ client }) => {
    const modelsPage = (await client.models.list()) as any;
    const modelList: SiliconCloudModelCard[] = modelsPage.data;

    return processMultiProviderModelList(modelList);
  },
  provider: ModelProvider.SiliconCloud,
});