diff --git a/packages/aiCore/package.json b/packages/aiCore/package.json
index 3cfca454c8..2e02700563 100644
--- a/packages/aiCore/package.json
+++ b/packages/aiCore/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@cherrystudio/ai-core",
-  "version": "1.0.0-alpha.10",
+  "version": "1.0.0-alpha.11",
   "description": "Cherry Studio AI Core - Unified AI Provider Interface Based on Vercel AI SDK",
   "main": "dist/index.js",
   "module": "dist/index.mjs",
diff --git a/packages/aiCore/src/core/models/ModelResolver.ts b/packages/aiCore/src/core/models/ModelResolver.ts
index e0c001aec1..9d336e819e 100644
--- a/packages/aiCore/src/core/models/ModelResolver.ts
+++ b/packages/aiCore/src/core/models/ModelResolver.ts
@@ -7,7 +7,6 @@
 
 import { EmbeddingModelV2, ImageModelV2, LanguageModelV2, LanguageModelV2Middleware } from '@ai-sdk/provider'
 
-import { isOpenAIChatCompletionOnlyModel } from '../../utils/model'
 import { wrapModelWithMiddlewares } from '../middleware/wrapper'
 import { DEFAULT_SEPARATOR, globalRegistryManagement } from '../providers/RegistryManagement'
 
@@ -28,14 +27,9 @@ export class ModelResolver {
   ): Promise<LanguageModelV2> {
     let finalProviderId = fallbackProviderId
     let model: LanguageModelV2
-
     // 🎯 处理 OpenAI 模式选择逻辑 (从 ModelCreator 迁移)
     if (fallbackProviderId === 'openai' && providerOptions?.mode === 'chat') {
-      // 检查是否支持 chat 模式且不是只支持 chat 的模型
-      if (!isOpenAIChatCompletionOnlyModel(modelId)) {
-        finalProviderId = 'openai-chat'
-      }
-      // 否则使用默认的 openai (responses 模式)
+      finalProviderId = 'openai-chat'
     }
 
     // 检查是否是命名空间格式
diff --git a/packages/aiCore/src/utils/model.ts b/packages/aiCore/src/utils/model.ts
deleted file mode 100644
index 4a37fe1237..0000000000
--- a/packages/aiCore/src/utils/model.ts
+++ /dev/null
@@ -1,49 +0,0 @@
-import { type ProviderId } from '../core/providers/types'
-
-export function isOpenAIChatCompletionOnlyModel(modelId: string): boolean {
-  if (!modelId) {
-    return false
-  }
-
-  return (
-    modelId.includes('gpt-4o-search-preview') ||
-    modelId.includes('gpt-4o-mini-search-preview') ||
-    modelId.includes('o1-mini') ||
-    modelId.includes('o1-preview')
-  )
-}
-
-export function isOpenAIReasoningModel(modelId: string): boolean {
-  return modelId.includes('o1') || modelId.includes('o3') || modelId.includes('o4')
-}
-
-export function isOpenAILLMModel(modelId: string): boolean {
-  if (modelId.includes('gpt-4o-image')) {
-    return false
-  }
-  if (isOpenAIReasoningModel(modelId)) {
-    return true
-  }
-  if (modelId.includes('gpt')) {
-    return true
-  }
-  return false
-}
-
-export function getModelToProviderId(modelId: string): ProviderId | 'openai-compatible' {
-  const id = modelId.toLowerCase()
-
-  if (id.startsWith('claude')) {
-    return 'anthropic'
-  }
-
-  if ((id.startsWith('gemini') || id.startsWith('imagen')) && !id.endsWith('-nothink') && !id.endsWith('-search')) {
-    return 'google'
-  }
-
-  if (isOpenAILLMModel(modelId)) {
-    return 'openai'
-  }
-
-  return 'openai-compatible'
-}
diff --git a/src/renderer/src/aiCore/index_new.ts b/src/renderer/src/aiCore/index_new.ts
index b281dd1a52..849ec54c63 100644
--- a/src/renderer/src/aiCore/index_new.ts
+++ b/src/renderer/src/aiCore/index_new.ts
@@ -11,6 +11,7 @@ import { createExecutor, generateImage } from '@cherrystudio/ai-core'
 import { createAndRegisterProvider } from '@cherrystudio/ai-core/provider'
 import { loggerService } from '@logger'
 import { isNotSupportedImageSizeModel } from '@renderer/config/models'
+import { getEnableDeveloperMode } from '@renderer/hooks/useSettings'
 import { addSpan, endSpan } from '@renderer/services/SpanManagerService'
 import { StartSpanParams } from '@renderer/trace/types/ModelSpanEntity'
 import type { Assistant, GenerateImageParams, Model, Provider } from '@renderer/types'
@@ -36,7 +37,7 @@ export default class ModernAiProvider {
     this.legacyProvider = new LegacyAiProvider(this.actualProvider)
 
     // 只保存配置，不预先创建executor
-    this.config = providerToAiSdkConfig(this.actualProvider)
+    this.config = providerToAiSdkConfig(this.actualProvider, model)
   }
 
   public getActualProvider() {
@@ -52,6 +53,28 @@ export default class ModernAiProvider {
       topicId?: string
       callType: string
     }
+  ) {
+    if (config.topicId && getEnableDeveloperMode()) {
+      // TypeScript类型窄化：确保topicId是string类型
+      const traceConfig = {
+        ...config,
+        topicId: config.topicId
+      }
+      return await this._completionsForTrace(modelId, params, traceConfig)
+    } else {
+      return await this._completions(modelId, params, config)
+    }
+  }
+
+  private async _completions(
+    modelId: string,
+    params: StreamTextParams,
+    config: AiSdkMiddlewareConfig & {
+      assistant: Assistant
+      // topicId for tracing
+      topicId?: string
+      callType: string
+    }
   ): Promise<CompletionsResult> {
     // 初始化 provider 到全局管理器
     try {
@@ -79,7 +102,7 @@ export default class ModernAiProvider {
    * 带trace支持的completions方法
    * 类似于legacy的completionsForTrace，确保AI SDK spans在正确的trace上下文中
    */
-  public async completionsForTrace(
+  private async _completionsForTrace(
     modelId: string,
     params: StreamTextParams,
     config: AiSdkMiddlewareConfig & {
@@ -114,7 +137,7 @@ export default class ModernAiProvider {
         modelId,
         traceName
       })
-      return await this.completions(modelId, params, config)
+      return await this._completions(modelId, params, config)
     }
 
     try {
@@ -126,7 +149,7 @@ export default class ModernAiProvider {
         parentSpanCreated: true
       })
 
-      const result = await this.completions(modelId, params, config)
+      const result = await this._completions(modelId, params, config)
 
       logger.info('Completions finished, ending parent span', {
         spanId: span.spanContext().spanId,
@@ -172,7 +195,6 @@ export default class ModernAiProvider {
     params: StreamTextParams,
     config: AiSdkMiddlewareConfig & {
       assistant: Assistant
-      // topicId for tracing
       topicId?: string
       callType: string
     }
diff --git a/src/renderer/src/aiCore/provider/ProviderConfigProcessor.ts b/src/renderer/src/aiCore/provider/ProviderConfigProcessor.ts
index 4c3f9b5c98..a72f7506e5 100644
--- a/src/renderer/src/aiCore/provider/ProviderConfigProcessor.ts
+++ b/src/renderer/src/aiCore/provider/ProviderConfigProcessor.ts
@@ -4,6 +4,7 @@ import {
   type ProviderId,
   type ProviderSettingsMap
 } from '@cherrystudio/ai-core/provider'
+import { isOpenAIChatCompletionOnlyModel } from '@renderer/config/models'
 import { createVertexProvider, isVertexAIConfigured, isVertexProvider } from '@renderer/hooks/useVertexAI'
 import { getProviderByModel } from '@renderer/services/AssistantService'
 import { loggerService } from '@renderer/services/LoggerService'
@@ -68,7 +69,10 @@ export function getActualProvider(model: Model): Provider {
  * 将 Provider 配置转换为新 AI SDK 格式
  * 简化版：利用新的别名映射系统
  */
-export function providerToAiSdkConfig(actualProvider: Provider): {
+export function providerToAiSdkConfig(
+  actualProvider: Provider,
+  model: Model
+): {
   providerId: ProviderId | 'openai-compatible'
   options: ProviderSettingsMap[keyof ProviderSettingsMap]
 } {
@@ -80,10 +84,9 @@ export function providerToAiSdkConfig(actualProvider: Provider): {
     baseURL: actualProvider.apiHost,
     apiKey: actualProvider.apiKey
   }
-
   // 处理OpenAI模式（简化逻辑）
   const extraOptions: any = {}
-  if (actualProvider.type === 'openai-response') {
+  if (actualProvider.type === 'openai-response' && !isOpenAIChatCompletionOnlyModel(model)) {
     extraOptions.mode = 'responses'
   } else if (aiSdkProviderId === 'openai') {
     extraOptions.mode = 'chat'
diff --git a/src/renderer/src/aiCore/transformParameters.ts b/src/renderer/src/aiCore/transformParameters.ts
index df791dfbf9..d5fdace254 100644
--- a/src/renderer/src/aiCore/transformParameters.ts
+++ b/src/renderer/src/aiCore/transformParameters.ts
@@ -395,105 +395,3 @@ export async function buildGenerateTextParams(
   // 复用流式参数的构建逻辑
   return await buildStreamTextParams(messages, assistant, provider, options)
 }
-
-/**
- * 提取外部工具搜索关键词和问题
- * 从用户消息中提取用于网络搜索和知识库搜索的关键词
- * @deprecated
- */
-// export async function extractSearchKeywords(
-//   lastUserMessage: Message,
-//   assistant: Assistant,
-//   options: {
-//     shouldWebSearch?: boolean
-//     shouldKnowledgeSearch?: boolean
-//     lastAnswer?: Message
-//   } = {}
-// ): Promise<ExtractResults | undefined> {
-//   const { shouldWebSearch = false, shouldKnowledgeSearch = false, lastAnswer } = options
-
-//   if (!lastUserMessage) return undefined
-
-//   // 根据配置决定是否需要提取
-//   const needWebExtract = shouldWebSearch
-//   const needKnowledgeExtract = shouldKnowledgeSearch
-
-//   if (!needWebExtract && !needKnowledgeExtract) return undefined
-
-//   // 选择合适的提示词
-//   let prompt: string
-//   if (needWebExtract && !needKnowledgeExtract) {
-//     prompt = SEARCH_SUMMARY_PROMPT_WEB_ONLY
-//   } else if (!needWebExtract && needKnowledgeExtract) {
-//     prompt = SEARCH_SUMMARY_PROMPT_KNOWLEDGE_ONLY
-//   } else {
-//     prompt = SEARCH_SUMMARY_PROMPT
-//   }
-
-//   // 构建用于提取的助手配置
-//   const summaryAssistant = getDefaultAssistant()
-//   summaryAssistant.model = assistant.model || getDefaultModel()
-//   summaryAssistant.prompt = prompt
-
-//   try {
-//     const result = await fetchSearchSummary({
-//       messages: lastAnswer ? [lastAnswer, lastUserMessage] : [lastUserMessage],
-//       assistant: summaryAssistant
-//     })
-
-//     if (!result) return getFallbackResult()
-
-//     const extracted = extractInfoFromXML(result.getText())
-//     // 根据需求过滤结果
-//     return {
-//       websearch: needWebExtract ? extracted?.websearch : undefined,
-//       knowledge: needKnowledgeExtract ? extracted?.knowledge : undefined
-//     }
-//   } catch (e: any) {
-//     console.error('extract error', e)
-//     return getFallbackResult()
-//   }
-
-//   function getFallbackResult(): ExtractResults {
-//     const fallbackContent = getMainTextContent(lastUserMessage)
-//     return {
-//       websearch: shouldWebSearch ? { question: [fallbackContent || 'search'] } : undefined,
-//       knowledge: shouldKnowledgeSearch
-//         ? {
-//             question: [fallbackContent || 'search'],
-//             rewrite: fallbackContent || 'search'
-//           }
-//         : undefined
-//     }
-//   }
-// }
-
-/**
- * 获取搜索摘要 - 内部辅助函数
- * @deprecated
- */
-// async function fetchSearchSummary({ messages, assistant }: { messages: Message[]; assistant: Assistant }) {
-//   const model = assistant.model || getDefaultModel()
-//   const provider = getProviderByModel(model)
-
-//   if (!hasApiKey(provider)) {
-//     return null
-//   }
-
-//   const AI = new AiProvider(provider)
-
-//   const params: CompletionsParams = {
-//     callType: 'search',
-//     messages: messages,
-//     assistant,
-//     streamOutput: false
-//   }
-
-//   return await AI.completions(params)
-// }
-
-// function hasApiKey(provider: Provider) {
-//   if (!provider) return false
-//   if (provider.id === 'ollama' || provider.id === 'lmstudio' || provider.type === 'vertexai') return true
-//   return !isEmpty(provider.apiKey)
-// }
diff --git a/src/renderer/src/aiCore/utils/options.ts b/src/renderer/src/aiCore/utils/options.ts
index d8b1e853cc..65890d5ba7 100644
--- a/src/renderer/src/aiCore/utils/options.ts
+++ b/src/renderer/src/aiCore/utils/options.ts
@@ -1,4 +1,15 @@
-import { Assistant, Model, Provider } from '@renderer/types'
+import { isOpenAIModel, isSupportFlexServiceTierModel } from '@renderer/config/models'
+import { isSupportServiceTierProvider } from '@renderer/config/providers'
+import {
+  Assistant,
+  GroqServiceTiers,
+  isGroqServiceTier,
+  isOpenAIServiceTier,
+  Model,
+  OpenAIServiceTiers,
+  Provider,
+  SystemProviderIds
+} from '@renderer/types'
 
 import { getAiSdkProviderId } from '../provider/factory'
 import { buildGeminiGenerateImageParams } from './image'
@@ -12,6 +23,35 @@ import {
 } from './reasoning'
 import { getWebSearchParams } from './websearch'
 
+// copy from BaseApiClient.ts
+const getServiceTier = (model: Model, provider: Provider) => {
+  const serviceTierSetting = provider.serviceTier
+
+  if (!isSupportServiceTierProvider(provider) || !isOpenAIModel(model) || !serviceTierSetting) {
+    return undefined
+  }
+
+  // 处理不同供应商需要 fallback 到默认值的情况
+  if (provider.id === SystemProviderIds.groq) {
+    if (
+      !isGroqServiceTier(serviceTierSetting) ||
+      (serviceTierSetting === GroqServiceTiers.flex && !isSupportFlexServiceTierModel(model))
+    ) {
+      return undefined
+    }
+  } else {
+    // 其他 OpenAI 供应商，假设他们的服务层级设置和 OpenAI 完全相同
+    if (
+      !isOpenAIServiceTier(serviceTierSetting) ||
+      (serviceTierSetting === OpenAIServiceTiers.flex && !isSupportFlexServiceTierModel(model))
+    ) {
+      return undefined
+    }
+  }
+
+  return serviceTierSetting
+}
+
 /**
  * 构建 AI SDK 的 providerOptions
  * 按 provider 类型分离，保持类型安全
@@ -28,6 +68,7 @@ export function buildProviderOptions(
   }
 ): Record<string, any> {
   const providerId = getAiSdkProviderId(actualProvider)
+  const serviceTierSetting = getServiceTier(model, actualProvider)
   // 构建 provider 特定的选项
   let providerSpecificOptions: Record<string, any> = {}
 
@@ -62,6 +103,7 @@ export function buildProviderOptions(
   // 合并自定义参数到 provider 特定的选项中
   providerSpecificOptions = {
     ...providerSpecificOptions,
+    serviceTier: serviceTierSetting,
     ...getCustomParameters(assistant)
   }
 
diff --git a/src/renderer/src/aiCore/utils/reasoning.ts b/src/renderer/src/aiCore/utils/reasoning.ts
index 6eb0db358b..07f1958fe9 100644
--- a/src/renderer/src/aiCore/utils/reasoning.ts
+++ b/src/renderer/src/aiCore/utils/reasoning.ts
@@ -13,7 +13,9 @@ import {
   isSupportedThinkingTokenModel,
   isSupportedThinkingTokenQwenModel
 } from '@renderer/config/models'
+import { getStoreSetting } from '@renderer/hooks/useSettings'
 import { getAssistantSettings, getProviderByModel } from '@renderer/services/AssistantService'
+import { SettingsState } from '@renderer/store/settings'
 import { Assistant, EFFORT_RATIO, Model } from '@renderer/types'
 import { ReasoningEffortOptionalParams } from '@renderer/types/sdk'
 
@@ -205,6 +207,16 @@ export function getOpenAIReasoningParams(assistant: Assistant, model: Model): Re
   if (!isReasoningModel(model)) {
     return {}
   }
+  const openAI = getStoreSetting('openAI') as SettingsState['openAI']
+  const summaryText = openAI?.summaryText || 'off'
+
+  let reasoningSummary: string | undefined = undefined
+
+  if (summaryText === 'off' || model.id.includes('o1-pro')) {
+    reasoningSummary = undefined
+  } else {
+    reasoningSummary = summaryText
+  }
 
   const reasoningEffort = assistant?.settings?.reasoning_effort
 
@@ -215,7 +227,8 @@ export function getOpenAIReasoningParams(assistant: Assistant, model: Model): Re
   // OpenAI 推理参数
   if (isSupportedReasoningEffortOpenAIModel(model)) {
     return {
-      reasoningEffort
+      reasoningEffort,
+      reasoningSummary
     }
   }
 
diff --git a/src/renderer/src/pages/home/Messages/Blocks/ErrorBlock.tsx b/src/renderer/src/pages/home/Messages/Blocks/ErrorBlock.tsx
index 58dbd7e7d4..aab4ee3c63 100644
--- a/src/renderer/src/pages/home/Messages/Blocks/ErrorBlock.tsx
+++ b/src/renderer/src/pages/home/Messages/Blocks/ErrorBlock.tsx
@@ -181,6 +181,7 @@ ${t('error.stack')}: ${error.stack || 'N/A'}
 
   return (
     <Modal
+      centered
       title={t('error.detail')}
       open={open}
       onCancel={onClose}
diff --git a/src/renderer/src/services/ApiService.ts b/src/renderer/src/services/ApiService.ts
index 9c11fa230c..705b17804b 100644
--- a/src/renderer/src/services/ApiService.ts
+++ b/src/renderer/src/services/ApiService.ts
@@ -10,7 +10,6 @@ import type { StreamTextParams } from '@renderer/aiCore/types'
 import { isDedicatedImageGenerationModel, isEmbeddingModel, isQwenMTModel } from '@renderer/config/models'
 import { LANG_DETECT_PROMPT } from '@renderer/config/prompts'
 import { getStoreSetting } from '@renderer/hooks/useSettings'
-import { getEnableDeveloperMode } from '@renderer/hooks/useSettings'
 import i18n from '@renderer/i18n'
 import store from '@renderer/store'
 import { Assistant, MCPServer, MCPTool, Model, Provider } from '@renderer/types'
@@ -138,23 +137,12 @@ export async function fetchChatCompletion({
 
   // --- Call AI Completions ---
   onChunkReceived({ type: ChunkType.LLM_RESPONSE_CREATED })
-  const enableDeveloperMode = getEnableDeveloperMode()
-  // 在 AI SDK 调用时设置正确的 OpenTelemetry 上下文
-  if (topicId && enableDeveloperMode) {
-    // 使用带trace支持的completions方法，它会自动创建子span并关联到父span
-    await AI.completionsForTrace(modelId, aiSdkParams, {
-      ...middlewareConfig,
-      assistant,
-      topicId,
-      callType: 'chat'
-    })
-  } else {
-    await AI.completions(modelId, aiSdkParams, {
-      ...middlewareConfig,
-      assistant,
-      callType: 'chat'
-    })
-  }
+  await AI.completions(modelId, aiSdkParams, {
+    ...middlewareConfig,
+    assistant,
+    topicId,
+    callType: 'chat'
+  })
 }
 
 interface FetchLanguageDetectionProps {
@@ -311,7 +299,7 @@ export async function fetchMessagesSummary({ messages, assistant }: { messages:
       await appendTrace({ topicId, traceId: messageWithTrace.traceId, model })
     }
 
-    const { getText } = await AI.completionsForTrace(model.id, llmMessages, {
+    const { getText } = await AI.completions(model.id, llmMessages, {
       ...middlewareConfig,
       assistant: summaryAssistant,
       topicId,