diff --git a/.changeset/tender-grapes-walk.md b/.changeset/tender-grapes-walk.md
new file mode 100644
index 000000000..d15a2843c
--- /dev/null
+++ b/.changeset/tender-grapes-walk.md
@@ -0,0 +1,7 @@
+---
+"@gitbook/openapi-parser": patch
+"@gitbook/react-openapi": patch
+"gitbook": patch
+---
+
+Support expand-all options for OpenAPI
diff --git a/packages/gitbook/src/components/DocumentView/OpenAPI/OpenAPIOperation.tsx b/packages/gitbook/src/components/DocumentView/OpenAPI/OpenAPIOperation.tsx
index 7694f94dc..634b59b10 100644
--- a/packages/gitbook/src/components/DocumentView/OpenAPI/OpenAPIOperation.tsx
+++ b/packages/gitbook/src/components/DocumentView/OpenAPI/OpenAPIOperation.tsx
@@ -50,6 +50,10 @@ async function OpenAPIOperationBody(props: BlockProps<AnyOpenAPIOperationsBlock>
                 props,
                 specUrl: publicURL,
                 context: context.contentContext,
+                expandAllResponses:
+                    data.operation['x-expandAllResponses'] ?? data['x-expandAllResponses'],
+                expandAllModelSections:
+                    data.operation['x-expandAllModelSections'] ?? data['x-expandAllModelSections'],
             })}
             className="openapi-block"
         />
diff --git a/packages/gitbook/src/components/DocumentView/OpenAPI/OpenAPISchemas.tsx b/packages/gitbook/src/components/DocumentView/OpenAPI/OpenAPISchemas.tsx
index ec90eead5..c0fd2ce08 100644
--- a/packages/gitbook/src/components/DocumentView/OpenAPI/OpenAPISchemas.tsx
+++ b/packages/gitbook/src/components/DocumentView/OpenAPI/OpenAPISchemas.tsx
@@ -46,12 +46,13 @@ async function OpenAPISchemasBody(props: BlockProps<OpenAPISchemasBlock>) {
 
     return (
         <BaseOpenAPISchemas
-            schemas={data.schemas}
+            data={data}
             grouped={block.data.grouped}
             context={getOpenAPIContext({
                 props,
                 specUrl: publicURL,
                 context: context.contentContext,
+                expandAllModelSections: data['x-expandAllModelSections'],
             })}
             className="openapi-block"
         />
diff --git a/packages/gitbook/src/components/DocumentView/OpenAPI/OpenAPIWebhook.tsx b/packages/gitbook/src/components/DocumentView/OpenAPI/OpenAPIWebhook.tsx
index 3225ee1da..2c6b21946 100644
--- a/packages/gitbook/src/components/DocumentView/OpenAPI/OpenAPIWebhook.tsx
+++ b/packages/gitbook/src/components/DocumentView/OpenAPI/OpenAPIWebhook.tsx
@@ -52,6 +52,10 @@ async function OpenAPIWebhookBody(props: BlockProps<OpenAPIWebhookBlock>) {
                 props,
                 specUrl: publicURL,
                 context: context.contentContext,
+                expandAllResponses:
+                    data.operation['x-expandAllResponses'] ?? data['x-expandAllResponses'],
+                expandAllModelSections:
+                    data.operation['x-expandAllModelSections'] ?? data['x-expandAllModelSections'],
             })}
             className="openapi-block"
         />
diff --git a/packages/gitbook/src/components/DocumentView/OpenAPI/context.tsx b/packages/gitbook/src/components/DocumentView/OpenAPI/context.tsx
index b6eaee797..289ab699a 100644
--- a/packages/gitbook/src/components/DocumentView/OpenAPI/context.tsx
+++ b/packages/gitbook/src/components/DocumentView/OpenAPI/context.tsx
@@ -24,8 +24,10 @@ export function getOpenAPIContext(args: {
     props: BlockProps<AnyOpenAPIOperationsBlock | OpenAPISchemasBlock | OpenAPIWebhookBlock>;
     specUrl: string | null;
     context: GitBookAnyContext | undefined;
+    expandAllResponses?: boolean;
+    expandAllModelSections?: boolean;
 }): OpenAPIContextInput {
-    const { props, specUrl, context } = args;
+    const { props, specUrl, context, expandAllResponses, expandAllModelSections } = args;
     const { block } = props;
 
     const customizationLocale = context ? getSpaceLocale(context) : DEFAULT_LOCALE;
@@ -91,7 +93,8 @@ export function getOpenAPIContext(args: {
                 }}
             />
         ),
-        defaultInteractiveOpened: props.context.mode === 'print',
+        expandAllResponses: expandAllResponses || props.context.mode === 'print',
+        expandAllModelSections: expandAllModelSections || props.context.mode === 'print',
         id: block.meta?.id,
         blockKey: block.key,
         locale,
diff --git a/packages/gitbook/src/lib/openapi/resolveOpenAPISchemasBlock.ts b/packages/gitbook/src/lib/openapi/resolveOpenAPISchemasBlock.ts
index 1e3dd1131..030023e69 100644
--- a/packages/gitbook/src/lib/openapi/resolveOpenAPISchemasBlock.ts
+++ b/packages/gitbook/src/lib/openapi/resolveOpenAPISchemasBlock.ts
@@ -1,5 +1,5 @@
-import { OpenAPIParseError, type OpenAPISchema } from '@gitbook/openapi-parser';
-import { resolveOpenAPISchemas } from '@gitbook/react-openapi';
+import { OpenAPIParseError } from '@gitbook/openapi-parser';
+import { type OpenAPISchemasData, resolveOpenAPISchemas } from '@gitbook/react-openapi';
 import { fetchOpenAPIFilesystem } from './fetch';
 import type {
     OpenAPISchemasBlock,
@@ -7,9 +7,7 @@ import type {
     ResolveOpenAPIBlockResult,
 } from './types';
 
-type ResolveOpenAPISchemasBlockResult = ResolveOpenAPIBlockResult<{
-    schemas: OpenAPISchema[];
-}>;
+type ResolveOpenAPISchemasBlockResult = ResolveOpenAPIBlockResult<OpenAPISchemasData>;
 
 const weakmap = new WeakMap<OpenAPISchemasBlock, Promise<ResolveOpenAPISchemasBlockResult>>();
 
diff --git a/packages/openapi-parser/src/types.ts b/packages/openapi-parser/src/types.ts
index 13edbc0ea..cde56d09a 100644
--- a/packages/openapi-parser/src/types.ts
+++ b/packages/openapi-parser/src/types.ts
@@ -23,6 +23,16 @@ export interface OpenAPICustomSpecProperties {
      */
     'x-enable-proxy'?: boolean;
 
+    /**
+     * If `true`, all response sections will be expanded by default.
+     */
+    'x-expandAllResponses'?: boolean;
+
+    /**
+     * If `true`, all model/schema sections will be expanded by default.
+     */
+    'x-expandAllModelSections'?: boolean;
+
     /**
      * Description in HTML format.
      */
@@ -75,6 +85,16 @@ export interface OpenAPICustomOperationProperties {
      */
     'x-enable-proxy'?: boolean;
 
+    /**
+     * If `true`, all response sections will be expanded by default.
+     */
+    'x-expandAllResponses'?: boolean;
+
+    /**
+     * If `true`, all model/schema sections will be expanded by default.
+     */
+    'x-expandAllModelSections'?: boolean;
+
     /**
      * Stability of the operation.
      * @enum 'experimental' | 'alpha' | 'beta'
diff --git a/packages/react-openapi/src/OpenAPIResponse.tsx b/packages/react-openapi/src/OpenAPIResponse.tsx
index 9dbfa293d..cae583741 100644
--- a/packages/react-openapi/src/OpenAPIResponse.tsx
+++ b/packages/react-openapi/src/OpenAPIResponse.tsx
@@ -43,6 +43,7 @@ export function OpenAPIResponse(props: {
                         />
                     }
                     icon={context.icons.plus}
+                    defaultExpanded={context.expandAllModelSections}
                     label={(isExpanded) =>
                         tString(
                             context.translation,
diff --git a/packages/react-openapi/src/OpenAPIResponses.tsx b/packages/react-openapi/src/OpenAPIResponses.tsx
index 0ac47d8cd..0af72cb24 100644
--- a/packages/react-openapi/src/OpenAPIResponses.tsx
+++ b/packages/react-openapi/src/OpenAPIResponses.tsx
@@ -107,11 +107,19 @@ export function OpenAPIResponses(props: {
 
     const state = useResponseExamplesState(context.blockKey, groups[0]?.key);
 
+    const expandAll = context.expandAllResponses;
+    const expandedKeys = expandAll
+        ? new Set(groups.map((g) => g.key))
+        : state.key
+          ? new Set([state.key])
+          : new Set<string>();
+
     return (
         <StaticSection header={t(context.translation, 'responses')} className="openapi-responses">
             <OpenAPIDisclosureGroup
                 icon={context.icons.chevronRight}
-                expandedKeys={state.key ? new Set([state.key]) : new Set()}
+                allowsMultipleExpanded={expandAll}
+                expandedKeys={expandedKeys}
                 onExpandedChange={(keys) => {
                     const key = keys.values().next().value ?? null;
                     state.setKey(key);
diff --git a/packages/react-openapi/src/OpenAPISchema.tsx b/packages/react-openapi/src/OpenAPISchema.tsx
index 1cf3f2215..0b6c4a83b 100644
--- a/packages/react-openapi/src/OpenAPISchema.tsx
+++ b/packages/react-openapi/src/OpenAPISchema.tsx
@@ -130,6 +130,7 @@ function OpenAPISchemaProperty(
                 label={(isExpanded) =>
                     getDisclosureLabel({ schema: effectiveSchema, isExpanded, context })
                 }
+                defaultExpanded={context.expandAllModelSections}
             >
                 {content}
             </OpenAPIDisclosure>
@@ -408,6 +409,7 @@ function OpenAPISchemaAlternative(props: {
             icon={context.icons.plus}
             header={<OpenAPISchemaPresentation property={{ schema }} context={context} />}
             label={(isExpanded) => getDisclosureLabel({ schema, isExpanded, context })}
+            defaultExpanded={context.expandAllModelSections}
         >
             <OpenAPISchemaProperties
                 properties={properties}
diff --git a/packages/react-openapi/src/context.ts b/packages/react-openapi/src/context.ts
index 910faa608..b480fe32e 100644
--- a/packages/react-openapi/src/context.ts
+++ b/packages/react-openapi/src/context.ts
@@ -19,10 +19,16 @@ export interface OpenAPIClientContext {
     };
 
     /**
-     * Force all sections to be opened by default.
+     * If `true`, all response sections will be expanded by default.
      * @default false
      */
-    defaultInteractiveOpened?: boolean;
+    expandAllResponses?: boolean;
+
+    /**
+     * If `true`, all model/schema sections will be expanded by default.
+     * @default false
+     */
+    expandAllModelSections?: boolean;
 
     /**
      * The key of the block
@@ -107,7 +113,8 @@ export function getOpenAPIClientContext(context: OpenAPIUniversalContext): OpenA
     return {
         translation: context.translation,
         icons: context.icons,
-        defaultInteractiveOpened: context.defaultInteractiveOpened,
+        expandAllResponses: context.expandAllResponses,
+        expandAllModelSections: context.expandAllModelSections,
         blockKey: context.blockKey,
         id: context.id,
         proxyUrl: '$$isClientContext$$' in context ? context.proxyUrl : undefined,
diff --git a/packages/react-openapi/src/resolveOpenAPIOperation.ts b/packages/react-openapi/src/resolveOpenAPIOperation.ts
index 4918a694a..488c8c362 100644
--- a/packages/react-openapi/src/resolveOpenAPIOperation.ts
+++ b/packages/react-openapi/src/resolveOpenAPIOperation.ts
@@ -83,6 +83,14 @@ export async function resolveOpenAPIOperation(
                 : undefined,
         'x-enable-proxy':
             typeof schema['x-enable-proxy'] === 'boolean' ? schema['x-enable-proxy'] : undefined,
+        'x-expandAllResponses':
+            typeof schema['x-expandAllResponses'] === 'boolean'
+                ? schema['x-expandAllResponses']
+                : undefined,
+        'x-expandAllModelSections':
+            typeof schema['x-expandAllModelSections'] === 'boolean'
+                ? schema['x-expandAllModelSections']
+                : undefined,
     };
 }
 
diff --git a/packages/react-openapi/src/resolveOpenAPIWebhook.ts b/packages/react-openapi/src/resolveOpenAPIWebhook.ts
index 08e87e95a..ed799ac9a 100644
--- a/packages/react-openapi/src/resolveOpenAPIWebhook.ts
+++ b/packages/react-openapi/src/resolveOpenAPIWebhook.ts
@@ -43,6 +43,14 @@ export async function resolveOpenAPIWebhook(
         operation,
         method,
         name,
+        'x-expandAllResponses':
+            typeof schema['x-expandAllResponses'] === 'boolean'
+                ? schema['x-expandAllResponses']
+                : undefined,
+        'x-expandAllModelSections':
+            typeof schema['x-expandAllModelSections'] === 'boolean'
+                ? schema['x-expandAllModelSections']
+                : undefined,
     };
 }
 
diff --git a/packages/react-openapi/src/schemas/OpenAPISchemaItem.tsx b/packages/react-openapi/src/schemas/OpenAPISchemaItem.tsx
index 86b7d49e8..e21f877e4 100644
--- a/packages/react-openapi/src/schemas/OpenAPISchemaItem.tsx
+++ b/packages/react-openapi/src/schemas/OpenAPISchemaItem.tsx
@@ -23,6 +23,7 @@ export function OpenAPISchemaItem(props: {
             icon={context.icons.plus}
             header={name}
             label={(isExpanded) => getDisclosureLabel({ schema, isExpanded, context })}
+            defaultExpanded={context.expandAllModelSections}
         >
             <Section className="openapi-section-schemas">
                 <SectionBody>
diff --git a/packages/react-openapi/src/schemas/OpenAPISchemas.tsx b/packages/react-openapi/src/schemas/OpenAPISchemas.tsx
index 3185d8036..5d71e2022 100644
--- a/packages/react-openapi/src/schemas/OpenAPISchemas.tsx
+++ b/packages/react-openapi/src/schemas/OpenAPISchemas.tsx
@@ -1,4 +1,3 @@
-import type { OpenAPISchema } from '@gitbook/openapi-parser';
 import clsx from 'classnames';
 import { OpenAPIExample } from '../OpenAPIExample';
 import { OpenAPIRootSchema } from '../OpenAPISchemaServer';
@@ -11,20 +10,22 @@ import {
 import { t } from '../translate';
 import { getExampleFromSchema } from '../util/example';
 import { OpenAPISchemaItem } from './OpenAPISchemaItem';
+import type { OpenAPISchemasData } from './resolveOpenAPISchemas';
 
 /**
  * OpenAPI Schemas component.
  */
 export function OpenAPISchemas(props: {
     className?: string;
-    schemas: OpenAPISchema[];
+    data: OpenAPISchemasData;
     context: OpenAPIContextInput;
     /**
      * Whether to show the schema directly if there is only one.
      */
     grouped?: boolean;
 }) {
-    const { schemas, context: contextInput, grouped, className } = props;
+    const { data, context: contextInput, grouped, className } = props;
+    const { schemas } = data;
 
     const firstSchema = schemas[0];
 
diff --git a/packages/react-openapi/src/schemas/resolveOpenAPISchemas.ts b/packages/react-openapi/src/schemas/resolveOpenAPISchemas.ts
index 5497468f1..01e74fe7f 100644
--- a/packages/react-openapi/src/schemas/resolveOpenAPISchemas.ts
+++ b/packages/react-openapi/src/schemas/resolveOpenAPISchemas.ts
@@ -1,7 +1,16 @@
-import type { Filesystem, OpenAPISchema, OpenAPIV3xDocument } from '@gitbook/openapi-parser';
+import type {
+    Filesystem,
+    OpenAPICustomSpecProperties,
+    OpenAPISchema,
+    OpenAPIV3xDocument,
+} from '@gitbook/openapi-parser';
 import { filterSelectedOpenAPISchemas } from '@gitbook/openapi-parser';
 import { dereferenceFilesystem } from '../dereference';
 
+export type OpenAPISchemasData = Pick<OpenAPICustomSpecProperties, 'x-expandAllModelSections'> & {
+    schemas: OpenAPISchema[];
+};
+
 /**
  * Resolve an OpenAPI schemas from a file and compile it to a more usable format.
  * Schemas are extracted from the OpenAPI components.schemas
@@ -11,9 +20,7 @@ export async function resolveOpenAPISchemas(
     options: {
         schemas: string[];
     }
-): Promise<{
-    schemas: OpenAPISchema[];
-} | null> {
+): Promise<OpenAPISchemasData | null> {
     const { schemas: selectedSchemas } = options;
 
     const schema = await dereferenceFilesystem(filesystem);
@@ -24,5 +31,11 @@ export async function resolveOpenAPISchemas(
         return null;
     }
 
-    return { schemas };
+    return {
+        schemas,
+        'x-expandAllModelSections':
+            typeof schema['x-expandAllModelSections'] === 'boolean'
+                ? schema['x-expandAllModelSections']
+                : undefined,
+    };
 }