diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 9721abd6f..09242e06f 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "5.8.4"
+  ".": "5.9.0"
 }
diff --git a/.stats.yml b/.stats.yml
index 535155f4a..816f05df5 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,4 +1,4 @@
 configured_endpoints: 111
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/openai%2Fopenai-a473967d1766dc155994d932fbc4a5bcbd1c140a37c20d0a4065e1bf0640536d.yml
-openapi_spec_hash: 67cdc62b0d6c8b1de29b7dc54b265749
-config_hash: 7b53f96f897ca1b3407a5341a6f820db
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/openai%2Fopenai-2d116cda53321baa3479e628512def723207a81eb1cdaebb542bd0555e563bda.yml
+openapi_spec_hash: 809d958fec261a32004a4b026b718793
+config_hash: e74d6791681e3af1b548748ff47a22c2
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e6ea7bf52..7bffa2bfc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 5.9.0 (2025-07-10)
+
+Full Changelog: [v5.8.4...v5.9.0](https://github.com/openai/openai-node/compare/v5.8.4...v5.9.0)
+
+### Features
+
+* **api:** add file_url, fix event ID ([5f5d39e](https://github.com/openai/openai-node/commit/5f5d39e9e11224bf18a0301041b69548727ed4f3))
+
 ## 5.8.4 (2025-07-10)
 
 Full Changelog: [v5.8.3...v5.8.4](https://github.com/openai/openai-node/compare/v5.8.3...v5.8.4)
diff --git a/jsr.json b/jsr.json
index 20dc50bb8..da53f0b43 100644
--- a/jsr.json
+++ b/jsr.json
@@ -1,6 +1,6 @@
 {
   "name": "@openai/openai",
-  "version": "5.8.4",
+  "version": "5.9.0",
   "exports": {
     ".": "./index.ts",
     "./helpers/zod": "./helpers/zod.ts",
diff --git a/package.json b/package.json
index bd2058b08..7f13e8196 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "openai",
-  "version": "5.8.4",
+  "version": "5.9.0",
   "description": "The official TypeScript library for the OpenAI API",
   "author": "OpenAI <support@openai.com>",
   "types": "dist/index.d.ts",
diff --git a/src/resources/audio/transcriptions.ts b/src/resources/audio/transcriptions.ts
index 1a3e22af7..6fbbf8c3a 100644
--- a/src/resources/audio/transcriptions.ts
+++ b/src/resources/audio/transcriptions.ts
@@ -157,7 +157,7 @@ export namespace Transcription {
     /**
      * Duration of the input audio in seconds.
      */
-    duration: number;
+    seconds: number;
 
     /**
      * The type of the usage object. Always `duration` for this variant.
@@ -416,7 +416,7 @@ export namespace TranscriptionVerbose {
     /**
      * Duration of the input audio in seconds.
      */
-    duration: number;
+    seconds: number;
 
     /**
      * The type of the usage object. Always `duration` for this variant.
diff --git a/src/resources/beta/realtime/realtime.ts b/src/resources/beta/realtime/realtime.ts
index c7e7712ec..b2a0397f0 100644
--- a/src/resources/beta/realtime/realtime.ts
+++ b/src/resources/beta/realtime/realtime.ts
@@ -309,6 +309,13 @@ export interface ConversationItemInputAudioTranscriptionCompletedEvent {
    */
   type: 'conversation.item.input_audio_transcription.completed';
 
+  /**
+   * Usage statistics for the transcription.
+   */
+  usage:
+    | ConversationItemInputAudioTranscriptionCompletedEvent.TranscriptTextUsageTokens
+    | ConversationItemInputAudioTranscriptionCompletedEvent.TranscriptTextUsageDuration;
+
   /**
    * The log probabilities of the transcription.
    */
@@ -316,6 +323,68 @@ export interface ConversationItemInputAudioTranscriptionCompletedEvent {
 }
 
 export namespace ConversationItemInputAudioTranscriptionCompletedEvent {
+  /**
+   * Usage statistics for models billed by token usage.
+   */
+  export interface TranscriptTextUsageTokens {
+    /**
+     * Number of input tokens billed for this request.
+     */
+    input_tokens: number;
+
+    /**
+     * Number of output tokens generated.
+     */
+    output_tokens: number;
+
+    /**
+     * Total number of tokens used (input + output).
+     */
+    total_tokens: number;
+
+    /**
+     * The type of the usage object. Always `tokens` for this variant.
+     */
+    type: 'tokens';
+
+    /**
+     * Details about the input tokens billed for this request.
+     */
+    input_token_details?: TranscriptTextUsageTokens.InputTokenDetails;
+  }
+
+  export namespace TranscriptTextUsageTokens {
+    /**
+     * Details about the input tokens billed for this request.
+     */
+    export interface InputTokenDetails {
+      /**
+       * Number of audio tokens billed for this request.
+       */
+      audio_tokens?: number;
+
+      /**
+       * Number of text tokens billed for this request.
+       */
+      text_tokens?: number;
+    }
+  }
+
+  /**
+   * Usage statistics for models billed by audio input duration.
+   */
+  export interface TranscriptTextUsageDuration {
+    /**
+     * Duration of the input audio in seconds.
+     */
+    seconds: number;
+
+    /**
+     * The type of the usage object. Always `duration` for this variant.
+     */
+    type: 'duration';
+  }
+
   /**
    * A log probability object.
    */
diff --git a/src/resources/files.ts b/src/resources/files.ts
index e0b66b77a..3db009f20 100644
--- a/src/resources/files.ts
+++ b/src/resources/files.ts
@@ -144,8 +144,8 @@ export interface FileObject {
 
   /**
    * The intended purpose of the file. Supported values are `assistants`,
-   * `assistants_output`, `batch`, `batch_output`, `fine-tune`, `fine-tune-results`
-   * and `vision`.
+   * `assistants_output`, `batch`, `batch_output`, `fine-tune`, `fine-tune-results`,
+   * `vision`, and `user_data`.
    */
   purpose:
     | 'assistants'
@@ -154,7 +154,8 @@ export interface FileObject {
     | 'batch_output'
     | 'fine-tune'
     | 'fine-tune-results'
-    | 'vision';
+    | 'vision'
+    | 'user_data';
 
   /**
    * @deprecated Deprecated. The current status of the file, which can be either
diff --git a/src/resources/responses/responses.ts b/src/resources/responses/responses.ts
index adf2aafb1..d7bfbf8cf 100644
--- a/src/resources/responses/responses.ts
+++ b/src/resources/responses/responses.ts
@@ -2018,6 +2018,11 @@ export interface ResponseInputFile {
    */
   file_id?: string | null;
 
+  /**
+   * The URL of the file to be sent to the model.
+   */
+  file_url?: string;
+
   /**
    * The name of the file to be sent to the model.
    */
@@ -2864,9 +2869,9 @@ export interface ResponseMcpCallArgumentsDeltaEvent {
   sequence_number: number;
 
   /**
-   * The type of the event. Always 'response.mcp_call.arguments_delta'.
+   * The type of the event. Always 'response.mcp_call_arguments.delta'.
    */
-  type: 'response.mcp_call.arguments_delta';
+  type: 'response.mcp_call_arguments.delta';
 }
 
 /**
@@ -2894,9 +2899,9 @@ export interface ResponseMcpCallArgumentsDoneEvent {
   sequence_number: number;
 
   /**
-   * The type of the event. Always 'response.mcp_call.arguments_done'.
+   * The type of the event. Always 'response.mcp_call_arguments.done'.
    */
-  type: 'response.mcp_call.arguments_done';
+  type: 'response.mcp_call_arguments.done';
 }
 
 /**
@@ -3554,9 +3559,9 @@ export interface ResponseOutputTextAnnotationAddedEvent {
   sequence_number: number;
 
   /**
-   * The type of the event. Always 'response.output_text_annotation.added'.
+   * The type of the event. Always 'response.output_text.annotation.added'.
    */
-  type: 'response.output_text_annotation.added';
+  type: 'response.output_text.annotation.added';
 }
 
 /**
@@ -4375,6 +4380,11 @@ export namespace Tool {
      * Specify which of the MCP server's tools require approval.
      */
     require_approval?: Mcp.McpToolApprovalFilter | 'always' | 'never' | null;
+
+    /**
+     * Optional description of the MCP server, used to provide more context.
+     */
+    server_description?: string;
   }
 
   export namespace Mcp {
diff --git a/src/version.ts b/src/version.ts
index 1d7e6fe66..33ac81765 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1 +1 @@
-export const VERSION = '5.8.4'; // x-release-please-version
+export const VERSION = '5.9.0'; // x-release-please-version