diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index b85605b81..e1cfad1cb 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "6.5.0"
+  ".": "6.5.1"
 }
diff --git a/.stats.yml b/.stats.yml
index 3a558a911..6b1557c31 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,4 +1,4 @@
 configured_endpoints: 134
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/openai%2Fopenai-f59befea071ed7729cbb7bce219e7f837eccfdb57e01698514e6a0bd6052ff60.yml
-openapi_spec_hash: 49da48619d37932b2e257c532078b2bb
-config_hash: 1af83449a09a3b4f276444dbcdd3eb67
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/openai%2Fopenai-b062c33330de7e3bbf992fd4f0799afd868c30a66c39418dd2c62f4add3b45b6.yml
+openapi_spec_hash: fe067f5b1c0e93799b5ea7fde3c4b1b3
+config_hash: 4b6f471b24d659514b86b736c90a0c0a
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 963aaa2c0..fbf78aa5d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 6.5.1 (2025-10-19)
+
+Full Changelog: [v6.5.0...v6.5.1](https://github.com/openai/openai-node/compare/v6.5.0...v6.5.1)
+
+### Bug Fixes
+
+* **api:** internal openapi updates ([d4aaef9](https://github.com/openai/openai-node/commit/d4aaef9c2e3d9f00b33d59e569149a937e5bd3f5))
+
 ## 6.5.0 (2025-10-17)
 
 Full Changelog: [v6.4.0...v6.5.0](https://github.com/openai/openai-node/compare/v6.4.0...v6.5.0)
diff --git a/jsr.json b/jsr.json
index 330d3d80c..c15e1170d 100644
--- a/jsr.json
+++ b/jsr.json
@@ -1,6 +1,6 @@
 {
   "name": "@openai/openai",
-  "version": "6.5.0",
+  "version": "6.5.1",
   "exports": {
     ".": "./index.ts",
     "./helpers/zod": "./helpers/zod.ts",
diff --git a/package.json b/package.json
index e9ef2556a..ef36ebe65 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "openai",
-  "version": "6.5.0",
+  "version": "6.5.1",
   "description": "The official TypeScript library for the OpenAI API",
   "author": "OpenAI <support@openai.com>",
   "types": "dist/index.d.ts",
diff --git a/src/resources/images.ts b/src/resources/images.ts
index fce5a1b66..a47690aae 100644
--- a/src/resources/images.ts
+++ b/src/resources/images.ts
@@ -545,10 +545,7 @@ export interface ImageEditParamsBase {
   background?: 'transparent' | 'opaque' | 'auto' | null;
 
   /**
-   * Control how much effort the model will exert to match the style and features,
-   * especially facial features, of input images. This parameter is only supported
-   * for `gpt-image-1`. Unsupported for `gpt-image-1-mini`. Supports `high` and
-   * `low`. Defaults to `low`.
+   * Control how much effort the model will exert to match the style and features, especially facial features, of input images. This parameter is only supported for `gpt-image-1`. Unsupported for `gpt-image-1-mini`. Supports `high` and `low`. Defaults to `low`.
    */
   input_fidelity?: 'high' | 'low' | null;
 
diff --git a/src/resources/responses/responses.ts b/src/resources/responses/responses.ts
index da365ead7..72dad1355 100644
--- a/src/resources/responses/responses.ts
+++ b/src/resources/responses/responses.ts
@@ -229,10 +229,6 @@ export interface ComputerTool {
   type: 'computer_use_preview';
 }
 
-/**
- * A custom tool that processes input using a specified format. Learn more about
- * [custom tools](https://platform.openai.com/docs/guides/function-calling#custom-tools).
- */
 export interface CustomTool {
   /**
    * The name of the custom tool, used to identify it in tool calls.
@@ -890,7 +886,7 @@ export namespace ResponseCodeInterpreterToolCall {
     logs: string;
 
     /**
-     * The type of the output. Always 'logs'.
+     * The type of the output. Always `logs`.
      */
     type: 'logs';
   }
@@ -900,7 +896,7 @@ export namespace ResponseCodeInterpreterToolCall {
    */
   export interface Image {
     /**
-     * The type of the output. Always 'image'.
+     * The type of the output. Always `image`.
      */
     type: 'image';
 
@@ -990,8 +986,7 @@ export namespace ResponseComputerToolCall {
     button: 'left' | 'right' | 'wheel' | 'back' | 'forward';
 
     /**
-     * Specifies the event type. For a click action, this property is always set to
-     * `click`.
+     * Specifies the event type. For a click action, this property is always `click`.
      */
     type: 'click';
 
@@ -1053,7 +1048,7 @@ export namespace ResponseComputerToolCall {
 
   export namespace Drag {
     /**
-     * A series of x/y coordinate pairs in the drag path.
+     * An x/y coordinate pair, e.g. `{ x: 100, y: 200 }`.
      */
     export interface Path {
       /**
@@ -1187,12 +1182,12 @@ export namespace ResponseComputerToolCall {
     /**
      * The type of the pending safety check.
      */
-    code: string;
+    code?: string | null;
 
     /**
      * Details about the pending safety check.
      */
-    message: string;
+    message?: string | null;
   }
 }
 
@@ -1243,12 +1238,12 @@ export namespace ResponseComputerToolCallOutputItem {
     /**
      * The type of the pending safety check.
      */
-    code: string;
+    code?: string | null;
 
     /**
      * Details about the pending safety check.
      */
-    message: string;
+    message?: string | null;
   }
 }
 
@@ -2240,10 +2235,13 @@ export interface ResponseInProgressEvent {
  */
 export type ResponseIncludable =
   | 'file_search_call.results'
+  | 'web_search_call.results'
+  | 'web_search_call.action.sources'
   | 'message.input_image.image_url'
   | 'computer_call_output.output.image_url'
+  | 'code_interpreter_call.outputs'
   | 'reasoning.encrypted_content'
-  | 'code_interpreter_call.outputs';
+  | 'message.output_text.logprobs';
 
 /**
  * An event that is emitted when a response finishes as incomplete.
@@ -5066,10 +5064,7 @@ export namespace Tool {
     background?: 'transparent' | 'opaque' | 'auto';
 
     /**
-     * Control how much effort the model will exert to match the style and features,
-     * especially facial features, of input images. This parameter is only supported
-     * for `gpt-image-1`. Unsupported for `gpt-image-1-mini`. Supports `high` and
-     * `low`. Defaults to `low`.
+     * Control how much effort the model will exert to match the style and features, especially facial features, of input images. This parameter is only supported for `gpt-image-1`. Unsupported for `gpt-image-1-mini`. Supports `high` and `low`. Defaults to `low`.
      */
     input_fidelity?: 'high' | 'low' | null;
 
@@ -5137,9 +5132,6 @@ export namespace Tool {
     }
   }
 
-  /**
-   * A tool that allows the model to execute shell commands in a local environment.
-   */
   export interface LocalShell {
     /**
      * The type of the local shell tool. Always `local_shell`.
diff --git a/src/resources/shared.ts b/src/resources/shared.ts
index 59bc655db..e4f682ace 100644
--- a/src/resources/shared.ts
+++ b/src/resources/shared.ts
@@ -135,9 +135,6 @@ export interface CompoundFilter {
 export type CustomToolInputFormat = CustomToolInputFormat.Text | CustomToolInputFormat.Grammar;
 
 export namespace CustomToolInputFormat {
-  /**
-   * Unconstrained free-form text.
-   */
   export interface Text {
     /**
      * Unconstrained text format. Always `text`.
@@ -145,9 +142,6 @@ export namespace CustomToolInputFormat {
     type: 'text';
   }
 
-  /**
-   * A grammar defined by the user.
-   */
   export interface Grammar {
     /**
      * The grammar definition.
diff --git a/src/version.ts b/src/version.ts
index d69c3fa30..24c999f10 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1 +1 @@
-export const VERSION = '6.5.0'; // x-release-please-version
+export const VERSION = '6.5.1'; // x-release-please-version
diff --git a/tests/api-resources/conversations/items.test.ts b/tests/api-resources/conversations/items.test.ts
index c0db0f7b8..1c1ca83d0 100644
--- a/tests/api-resources/conversations/items.test.ts
+++ b/tests/api-resources/conversations/items.test.ts
@@ -24,7 +24,7 @@ describe('resource items', () => {
   test('create: required and optional params', async () => {
     const response = await client.conversations.items.create('conv_123', {
       items: [{ content: 'string', role: 'user', type: 'message' }],
-      include: ['code_interpreter_call.outputs'],
+      include: ['file_search_call.results'],
     });
   });
 
@@ -42,7 +42,7 @@ describe('resource items', () => {
   test('retrieve: required and optional params', async () => {
     const response = await client.conversations.items.retrieve('msg_abc', {
       conversation_id: 'conv_123',
-      include: ['code_interpreter_call.outputs'],
+      include: ['file_search_call.results'],
     });
   });
 
@@ -62,7 +62,7 @@ describe('resource items', () => {
     await expect(
       client.conversations.items.list(
         'conv_123',
-        { after: 'after', include: ['code_interpreter_call.outputs'], limit: 0, order: 'asc' },
+        { after: 'after', include: ['file_search_call.results'], limit: 0, order: 'asc' },
         { path: '/_stainless_unknown_path' },
       ),
     ).rejects.toThrow(OpenAI.NotFoundError);
diff --git a/tests/api-resources/responses/input-items.test.ts b/tests/api-resources/responses/input-items.test.ts
index 3a2965633..f04422e14 100644
--- a/tests/api-resources/responses/input-items.test.ts
+++ b/tests/api-resources/responses/input-items.test.ts
@@ -24,7 +24,7 @@ describe('resource inputItems', () => {
     await expect(
       client.responses.inputItems.list(
         'response_id',
-        { after: 'after', include: ['code_interpreter_call.outputs'], limit: 0, order: 'asc' },
+        { after: 'after', include: ['file_search_call.results'], limit: 0, order: 'asc' },
         { path: '/_stainless_unknown_path' },
       ),
     ).rejects.toThrow(OpenAI.NotFoundError);
diff --git a/tests/api-resources/responses/responses.test.ts b/tests/api-resources/responses/responses.test.ts
index 3f51d72a2..830bf5ade 100644
--- a/tests/api-resources/responses/responses.test.ts
+++ b/tests/api-resources/responses/responses.test.ts
@@ -42,7 +42,7 @@ describe('resource responses', () => {
       client.responses.retrieve(
         'resp_677efb5139a88190b512bc3fef8e535d',
         {
-          include: ['code_interpreter_call.outputs'],
+          include: ['file_search_call.results'],
           include_obfuscation: true,
           starting_after: 0,
           stream: false,