diff --git a/frontend/src/types/index.ts b/frontend/src/types/index.ts
index 580126c8..9f2c2755 100644
--- a/frontend/src/types/index.ts
+++ b/frontend/src/types/index.ts
@@ -366,6 +366,13 @@ export type GroupPlatform = 'anthropic' | 'openai' | 'gemini' | 'antigravity'
 
 export type SubscriptionType = 'standard' | 'subscription'
 
+export interface OpenAIMessagesDispatchModelConfig {
+  opus_mapped_model?: string
+  sonnet_mapped_model?: string
+  haiku_mapped_model?: string
+  exact_model_mappings?: Record<string, string>
+}
+
 export interface Group {
   id: number
   name: string
@@ -388,6 +395,8 @@ export interface Group {
   fallback_group_id_on_invalid_request: number | null
   // OpenAI Messages 调度开关（用户侧需要此字段判断是否展示 Claude Code 教程）
   allow_messages_dispatch?: boolean
+  default_mapped_model?: string
+  messages_dispatch_model_config?: OpenAIMessagesDispatchModelConfig
   require_oauth_only: boolean
   require_privacy_set: boolean
   created_at: string
@@ -414,6 +423,7 @@ export interface AdminGroup extends Group {
 
   // OpenAI Messages 调度配置（仅 openai 平台使用）
   default_mapped_model?: string
+  messages_dispatch_model_config?: OpenAIMessagesDispatchModelConfig
 
   // 分组排序
   sort_order: number
diff --git a/frontend/src/views/admin/__tests__/groupsMessagesDispatch.spec.ts b/frontend/src/views/admin/__tests__/groupsMessagesDispatch.spec.ts
new file mode 100644
index 00000000..15f42224
--- /dev/null
+++ b/frontend/src/views/admin/__tests__/groupsMessagesDispatch.spec.ts
@@ -0,0 +1,94 @@
+import { describe, expect, it } from "vitest";
+
+import {
+  createDefaultMessagesDispatchFormState,
+  messagesDispatchConfigToFormState,
+  messagesDispatchFormStateToConfig,
+  resetMessagesDispatchFormState,
+} from "../groupsMessagesDispatch";
+
+describe("groupsMessagesDispatch", () => {
+  it("returns the expected default form state", () => {
+    expect(createDefaultMessagesDispatchFormState()).toEqual({
+      allow_messages_dispatch: false,
+      opus_mapped_model: "gpt-5.4",
+      sonnet_mapped_model: "gpt-5.3-codex",
+      haiku_mapped_model: "gpt-5.4-mini",
+      exact_model_mappings: [],
+    });
+  });
+
+  it("sanitizes exact model mapping rows when converting to config", () => {
+    const config = messagesDispatchFormStateToConfig({
+      allow_messages_dispatch: true,
+      opus_mapped_model: " gpt-5.4 ",
+      sonnet_mapped_model: "gpt-5.3-codex",
+      haiku_mapped_model: " gpt-5.4-mini ",
+      exact_model_mappings: [
+        {
+          claude_model: " claude-sonnet-4-5-20250929 ",
+          target_model: " gpt-5.2 ",
+        },
+        { claude_model: "", target_model: "gpt-5.4" },
+        { claude_model: "claude-opus-4-6", target_model: " " },
+      ],
+    });
+
+    expect(config).toEqual({
+      opus_mapped_model: "gpt-5.4",
+      sonnet_mapped_model: "gpt-5.3-codex",
+      haiku_mapped_model: "gpt-5.4-mini",
+      exact_model_mappings: {
+        "claude-sonnet-4-5-20250929": "gpt-5.2",
+      },
+    });
+  });
+
+  it("hydrates form state from api config", () => {
+    expect(
+      messagesDispatchConfigToFormState({
+        opus_mapped_model: "gpt-5.4",
+        sonnet_mapped_model: "gpt-5.2",
+        haiku_mapped_model: "gpt-5.4-mini",
+        exact_model_mappings: {
+          "claude-opus-4-6": "gpt-5.4",
+          "claude-haiku-4-5-20251001": "gpt-5.4-mini",
+        },
+      }),
+    ).toEqual({
+      allow_messages_dispatch: false,
+      opus_mapped_model: "gpt-5.4",
+      sonnet_mapped_model: "gpt-5.2",
+      haiku_mapped_model: "gpt-5.4-mini",
+      exact_model_mappings: [
+        {
+          claude_model: "claude-haiku-4-5-20251001",
+          target_model: "gpt-5.4-mini",
+        },
+        { claude_model: "claude-opus-4-6", target_model: "gpt-5.4" },
+      ],
+    });
+  });
+
+  it("resets mutable form state when platform switches away from openai", () => {
+    const state = {
+      allow_messages_dispatch: true,
+      opus_mapped_model: "gpt-5.2",
+      sonnet_mapped_model: "gpt-5.4",
+      haiku_mapped_model: "gpt-5.1",
+      exact_model_mappings: [
+        { claude_model: "claude-opus-4-6", target_model: "gpt-5.4" },
+      ],
+    };
+
+    resetMessagesDispatchFormState(state);
+
+    expect(state).toEqual({
+      allow_messages_dispatch: false,
+      opus_mapped_model: "gpt-5.4",
+      sonnet_mapped_model: "gpt-5.3-codex",
+      haiku_mapped_model: "gpt-5.4-mini",
+      exact_model_mappings: [],
+    });
+  });
+});
diff --git a/frontend/src/views/admin/groupsMessagesDispatch.ts b/frontend/src/views/admin/groupsMessagesDispatch.ts
new file mode 100644
index 00000000..b367091c
--- /dev/null
+++ b/frontend/src/views/admin/groupsMessagesDispatch.ts
@@ -0,0 +1,72 @@
+import type { OpenAIMessagesDispatchModelConfig } from "@/types";
+
+export interface MessagesDispatchMappingRow {
+  claude_model: string;
+  target_model: string;
+}
+
+export interface MessagesDispatchFormState {
+  allow_messages_dispatch: boolean;
+  opus_mapped_model: string;
+  sonnet_mapped_model: string;
+  haiku_mapped_model: string;
+  exact_model_mappings: MessagesDispatchMappingRow[];
+}
+
+export function createDefaultMessagesDispatchFormState(): MessagesDispatchFormState {
+  return {
+    allow_messages_dispatch: false,
+    opus_mapped_model: "gpt-5.4",
+    sonnet_mapped_model: "gpt-5.3-codex",
+    haiku_mapped_model: "gpt-5.4-mini",
+    exact_model_mappings: [],
+  };
+}
+
+export function messagesDispatchConfigToFormState(
+  config?: OpenAIMessagesDispatchModelConfig | null,
+): MessagesDispatchFormState {
+  const defaults = createDefaultMessagesDispatchFormState();
+  const exactMappings = Object.entries(config?.exact_model_mappings || {})
+    .sort(([left], [right]) => left.localeCompare(right))
+    .map(([claude_model, target_model]) => ({ claude_model, target_model }));
+
+  return {
+    allow_messages_dispatch: false,
+    opus_mapped_model:
+      config?.opus_mapped_model?.trim() || defaults.opus_mapped_model,
+    sonnet_mapped_model:
+      config?.sonnet_mapped_model?.trim() || defaults.sonnet_mapped_model,
+    haiku_mapped_model:
+      config?.haiku_mapped_model?.trim() || defaults.haiku_mapped_model,
+    exact_model_mappings: exactMappings,
+  };
+}
+
+export function messagesDispatchFormStateToConfig(
+  state: MessagesDispatchFormState,
+): OpenAIMessagesDispatchModelConfig {
+  const exactModelMappings = Object.fromEntries(
+    state.exact_model_mappings
+      .map((row) => [row.claude_model.trim(), row.target_model.trim()] as const)
+      .filter(([claudeModel, targetModel]) => claudeModel && targetModel),
+  );
+
+  return {
+    opus_mapped_model: state.opus_mapped_model.trim(),
+    sonnet_mapped_model: state.sonnet_mapped_model.trim(),
+    haiku_mapped_model: state.haiku_mapped_model.trim(),
+    exact_model_mappings: exactModelMappings,
+  };
+}
+
+export function resetMessagesDispatchFormState(
+  target: MessagesDispatchFormState,
+): void {
+  const defaults = createDefaultMessagesDispatchFormState();
+  target.allow_messages_dispatch = defaults.allow_messages_dispatch;
+  target.opus_mapped_model = defaults.opus_mapped_model;
+  target.sonnet_mapped_model = defaults.sonnet_mapped_model;
+  target.haiku_mapped_model = defaults.haiku_mapped_model;
+  target.exact_model_mappings = [];
+}