diff --git a/packages/rtk-query-codegen-openapi/src/generate.ts b/packages/rtk-query-codegen-openapi/src/generate.ts
index ff49f4dd2d..b62d987cb2 100644
--- a/packages/rtk-query-codegen-openapi/src/generate.ts
+++ b/packages/rtk-query-codegen-openapi/src/generate.ts
@@ -30,8 +30,8 @@ import { factory } from './utils/factory';
 const generatedApiName = 'injectedRtkApi';
 const v3DocCache: Record<string, OpenAPIV3.Document> = {};
 
-function defaultIsDataResponse(code: string) {
-  if (code === 'default') {
+function defaultIsDataResponse(code: string, includeDefault: boolean) {
+  if (includeDefault && code === 'default') {
     return true;
   }
   const parsedCode = Number(code);
@@ -112,6 +112,7 @@ export async function generateApi(
     unionUndefined,
     encodeParams = false,
     flattenArg = false,
+    includeDefault = false,
     useEnumType = false,
     mergeReadWriteOnly = false,
     httpResolverOptions,
@@ -253,7 +254,9 @@ export async function generateApi(
                 factory.createKeywordTypeNode(ts.SyntaxKind.UndefinedKeyword),
             ] as const
         )
-        .filter(([status, response]) => isDataResponse(status, apiGen.resolve(response), responses || {}))
+        .filter(([status, response]) =>
+          isDataResponse(status, includeDefault, apiGen.resolve(response), responses || {})
+        )
         .filter(([_1, _2, type]) => type !== keywordType.void)
         .map(([code, response, type]) =>
           ts.addSyntheticLeadingComment(
diff --git a/packages/rtk-query-codegen-openapi/src/types.ts b/packages/rtk-query-codegen-openapi/src/types.ts
index 3866e94ddc..b5c42561c2 100644
--- a/packages/rtk-query-codegen-openapi/src/types.ts
+++ b/packages/rtk-query-codegen-openapi/src/types.ts
@@ -24,6 +24,7 @@ export type GenerationOptions = Id<
     Optional<OutputFileOptions, 'outputFile'> & {
       isDataResponse?(
         code: string,
+        includeDefault: boolean,
         response: OpenAPIV3.ResponseObject,
         allResponses: OpenAPIV3.ResponsesObject
       ): boolean;
@@ -82,6 +83,12 @@ export interface CommonOptions {
    * `true` will "flatten" the arg so that you can do things like `useGetEntityById(1)` instead of `useGetEntityById({ entityId: 1 })`
    */
   flattenArg?: boolean;
+  /**
+   * default to false
+   * If set to `true`, the default response type will be included in the generated code for all endpoints.
+   * @see https://swagger.io/docs/specification/describing-responses/#default
+   */
+  includeDefault?: boolean;
   /**
    * default to false
    * `true` will not generate separate types for read-only and write-only properties.
diff --git a/packages/rtk-query-codegen-openapi/test/__snapshots__/cli.test.ts.snap b/packages/rtk-query-codegen-openapi/test/__snapshots__/cli.test.ts.snap
index 17a177e9fe..57b10e27e1 100644
--- a/packages/rtk-query-codegen-openapi/test/__snapshots__/cli.test.ts.snap
+++ b/packages/rtk-query-codegen-openapi/test/__snapshots__/cli.test.ts.snap
@@ -167,7 +167,7 @@ export type DeleteOrderApiArg = {
   /** ID of the order that needs to be deleted */
   orderId: number;
 };
-export type CreateUserApiResponse = /** status default successful operation */ User;
+export type CreateUserApiResponse = unknown;
 export type CreateUserApiArg = {
   /** Created user object */
   user: User;
@@ -414,7 +414,7 @@ export type DeleteOrderApiArg = {
   /** ID of the order that needs to be deleted */
   orderId: number;
 };
-export type CreateUserApiResponse = /** status default successful operation */ User;
+export type CreateUserApiResponse = unknown;
 export type CreateUserApiArg = {
   /** Created user object */
   user: User;
diff --git a/packages/rtk-query-codegen-openapi/test/__snapshots__/generateEndpoints.test.ts.snap b/packages/rtk-query-codegen-openapi/test/__snapshots__/generateEndpoints.test.ts.snap
index 17b0e5f304..750d1180c0 100644
--- a/packages/rtk-query-codegen-openapi/test/__snapshots__/generateEndpoints.test.ts.snap
+++ b/packages/rtk-query-codegen-openapi/test/__snapshots__/generateEndpoints.test.ts.snap
@@ -167,7 +167,7 @@ export type DeleteOrderApiArg = {
   /** ID of the order that needs to be deleted */
   orderId: number;
 };
-export type CreateUserApiResponse = /** status default successful operation */ User;
+export type CreateUserApiResponse = unknown;
 export type CreateUserApiArg = {
   /** Created user object */
   user: User;
@@ -414,7 +414,7 @@ export type DeleteOrderApiArg = {
   /** ID of the order that needs to be deleted */
   orderId: number;
 };
-export type CreateUserApiResponse = /** status default successful operation */ User;
+export type CreateUserApiResponse = unknown;
 export type CreateUserApiArg = {
   /** Created user object */
   user: User;
@@ -714,8 +714,7 @@ export type DeleteOrderApiArg = {
   /** ID of the order that needs to be deleted */
   orderId: number;
 };
-export type CreateUserApiResponse =
-  /** status default successful operation */ User;
+export type CreateUserApiResponse = unknown;
 export type CreateUserApiArg = {
   /** Created user object */
   user: User;
@@ -1125,8 +1124,7 @@ export type DeleteOrderApiArg = {
   /** ID of the order that needs to be deleted */
   orderId: number;
 };
-export type CreateUserApiResponse =
-  /** status default successful operation */ User;
+export type CreateUserApiResponse = unknown;
 export type CreateUserApiArg = {
   /** Created user object */
   user: User;
@@ -1404,8 +1402,7 @@ export type DeleteOrderApiArg = {
   /** ID of the order that needs to be deleted */
   orderId: number;
 };
-export type CreateUserApiResponse =
-  /** status default successful operation */ User;
+export type CreateUserApiResponse = unknown;
 export type CreateUserApiArg = {
   /** Created user object */
   user: User;
@@ -1702,8 +1699,7 @@ export type DeleteOrderApiArg = {
   /** ID of the order that needs to be deleted */
   orderId: number;
 };
-export type CreateUserApiResponse =
-  /** status default successful operation */ User;
+export type CreateUserApiResponse = unknown;
 export type CreateUserApiArg = {
   /** Created user object */
   user: User;
@@ -1986,8 +1982,7 @@ export type DeleteOrderApiArg = {
   /** ID of the order that needs to be deleted */
   orderId: number;
 };
-export type CreateUserApiResponse =
-  /** status default successful operation */ User;
+export type CreateUserApiResponse = unknown;
 export type CreateUserApiArg = {
   /** Created user object */
   user: User;
@@ -2262,8 +2257,7 @@ export type DeleteOrderApiArg = {
   /** ID of the order that needs to be deleted */
   orderId: number;
 };
-export type CreateUserApiResponse =
-  /** status default successful operation */ User;
+export type CreateUserApiResponse = unknown;
 export type CreateUserApiArg = {
   /** Created user object */
   user: User;
@@ -2757,8 +2751,7 @@ export type DeleteOrderV2ApiArg = {
   /** ID of the order that needs to be deleted */
   orderId: number;
 };
-export type CreateUserV2ApiResponse =
-  /** status default successful operation */ User;
+export type CreateUserV2ApiResponse = unknown;
 export type CreateUserV2ApiArg = {
   /** Created user object */
   user: User;
@@ -3385,8 +3378,7 @@ export type DeleteOrderApiArg = {
   /** ID of the order that needs to be deleted */
   orderId: number;
 };
-export type CreateUserApiResponse =
-  /** status default successful operation */ User;
+export type CreateUserApiResponse = unknown;
 export type CreateUserApiArg = {
   /** Created user object */
   user: User;
@@ -3787,8 +3779,7 @@ export type DeleteOrderApiArg = {
   /** ID of the order that needs to be deleted */
   orderId: number;
 };
-export type CreateUserApiResponse =
-  /** status default successful operation */ User;
+export type CreateUserApiResponse = unknown;
 export type CreateUserApiArg = {
   /** Created user object */
   user: User;
diff --git a/packages/rtk-query-codegen-openapi/test/generateEndpoints.test.ts b/packages/rtk-query-codegen-openapi/test/generateEndpoints.test.ts
index fece0e7f01..3c1c9df935 100644
--- a/packages/rtk-query-codegen-openapi/test/generateEndpoints.test.ts
+++ b/packages/rtk-query-codegen-openapi/test/generateEndpoints.test.ts
@@ -26,10 +26,11 @@ test('calling without `outputFile` returns the generated api', async () => {
   expect(api).toMatchSnapshot();
 });
 
-test('should set response type for request with default response type', async () => {
+test('should include default response type in request when includeDefault is set to true', async () => {
   const api = await generateEndpoints({
     apiFile: './fixtures/emptyApi.ts',
     schemaFile: resolve(__dirname, 'fixtures/petstore.json'),
+    includeDefault: true,
   });
   // eslint-disable-next-line no-template-curly-in-string
   expect(api).toMatch(/export type CreateUserApiResponse =[\s\S/*]+status default successful operation[\s/*]+User;/);