diff --git a/src/libs/tryAGI.OpenAI/Generated/tryAGI.OpenAI.Models.BetaServiceTierEnum2.g.cs b/src/libs/tryAGI.OpenAI/Generated/tryAGI.OpenAI.Models.BetaServiceTierEnum2.g.cs
index f68fb425..e162d76a 100644
--- a/src/libs/tryAGI.OpenAI/Generated/tryAGI.OpenAI.Models.BetaServiceTierEnum2.g.cs
+++ b/src/libs/tryAGI.OpenAI/Generated/tryAGI.OpenAI.Models.BetaServiceTierEnum2.g.cs
@@ -7,7 +7,8 @@ namespace tryAGI.OpenAI
     /// Specifies the processing type used for serving the request.<br/>
     ///   - If set to 'auto', then the request will be processed with the service tier configured in the Project settings. Unless otherwise configured, the Project will use 'default'.<br/>
     ///   - If set to 'default', then the request will be processed with the standard pricing and performance for the selected model.<br/>
-    ///   - If set to '[flex](/docs/guides/flex-processing)' or '[priority](https://openai.com/api-priority-processing/)', then the request will be processed with the corresponding service tier.<br/>
+    ///   - If set to '[flex](/docs/guides/flex-processing)', then the request will be processed with the Flex Processing service tier.<br/>
+    ///   - To opt-in to [Fast mode](/api/docs/guides/fast-mode) at the request level, include the `service_tier=fast` or `service_tier=priority` parameter for Responses or Chat Completions. The response will show `service_tier=priority` regardless of if you specify `service_tier=fast` or `priority` in your request.<br/>
     ///   - When not set, the default behavior is 'auto'.<br/>
     ///   When the `service_tier` parameter is set, the response body will include the `service_tier` value based on the processing mode actually used to serve the request. This response value may be different from the value set in the parameter.<br/>
     /// Default Value: auto
@@ -23,11 +24,15 @@ public enum BetaServiceTierEnum2
         /// </summary>
         Default,
         /// <summary>
-        /// //openai.com/api-priority-processing/)', then the request will be processed with the corresponding service tier.
+        /// 
+        /// </summary>
+        Fast,
+        /// <summary>
+        /// 
         /// </summary>
         Flex,
         /// <summary>
-        /// //openai.com/api-priority-processing/)', then the request will be processed with the corresponding service tier.
+        /// 
         /// </summary>
         Priority,
         /// <summary>
@@ -50,6 +55,7 @@ public static string ToValueString(this BetaServiceTierEnum2 value)
             {
                 BetaServiceTierEnum2.Auto => "auto",
                 BetaServiceTierEnum2.Default => "default",
+                BetaServiceTierEnum2.Fast => "fast",
                 BetaServiceTierEnum2.Flex => "flex",
                 BetaServiceTierEnum2.Priority => "priority",
                 BetaServiceTierEnum2.Scale => "scale",
@@ -65,6 +71,7 @@ public static string ToValueString(this BetaServiceTierEnum2 value)
             {
                 "auto" => BetaServiceTierEnum2.Auto,
                 "default" => BetaServiceTierEnum2.Default,
+                "fast" => BetaServiceTierEnum2.Fast,
                 "flex" => BetaServiceTierEnum2.Flex,
                 "priority" => BetaServiceTierEnum2.Priority,
                 "scale" => BetaServiceTierEnum2.Scale,
diff --git a/src/libs/tryAGI.OpenAI/Generated/tryAGI.OpenAI.Models.ServiceTierEnum.g.cs b/src/libs/tryAGI.OpenAI/Generated/tryAGI.OpenAI.Models.ServiceTierEnum.g.cs
index 1d9bba57..499637c6 100644
--- a/src/libs/tryAGI.OpenAI/Generated/tryAGI.OpenAI.Models.ServiceTierEnum.g.cs
+++ b/src/libs/tryAGI.OpenAI/Generated/tryAGI.OpenAI.Models.ServiceTierEnum.g.cs
@@ -7,7 +7,8 @@ namespace tryAGI.OpenAI
     /// Specifies the processing type used for serving the request.<br/>
     ///   - If set to 'auto', then the request will be processed with the service tier configured in the Project settings. Unless otherwise configured, the Project will use 'default'.<br/>
     ///   - If set to 'default', then the request will be processed with the standard pricing and performance for the selected model.<br/>
-    ///   - If set to '[flex](/docs/guides/flex-processing)' or '[priority](https://openai.com/api-priority-processing/)', then the request will be processed with the corresponding service tier.<br/>
+    ///   - If set to '[flex](/docs/guides/flex-processing)', then the request will be processed with the Flex Processing service tier.<br/>
+    ///   - To opt-in to [Fast mode](/api/docs/guides/fast-mode) at the request level, include the `service_tier=fast` or `service_tier=priority` parameter for Responses or Chat Completions. The response will show `service_tier=priority` regardless of if you specify `service_tier=fast` or `priority` in your request.<br/>
     ///   - When not set, the default behavior is 'auto'.<br/>
     ///   When the `service_tier` parameter is set, the response body will include the `service_tier` value based on the processing mode actually used to serve the request. This response value may be different from the value set in the parameter.<br/>
     /// Default Value: auto
@@ -23,11 +24,15 @@ public enum ServiceTierEnum
         /// </summary>
         Default,
         /// <summary>
-        /// //openai.com/api-priority-processing/)', then the request will be processed with the corresponding service tier.
+        /// 
+        /// </summary>
+        Fast,
+        /// <summary>
+        /// 
         /// </summary>
         Flex,
         /// <summary>
-        /// //openai.com/api-priority-processing/)', then the request will be processed with the corresponding service tier.
+        /// 
         /// </summary>
         Priority,
         /// <summary>
@@ -50,6 +55,7 @@ public static string ToValueString(this ServiceTierEnum value)
             {
                 ServiceTierEnum.Auto => "auto",
                 ServiceTierEnum.Default => "default",
+                ServiceTierEnum.Fast => "fast",
                 ServiceTierEnum.Flex => "flex",
                 ServiceTierEnum.Priority => "priority",
                 ServiceTierEnum.Scale => "scale",
@@ -65,6 +71,7 @@ public static string ToValueString(this ServiceTierEnum value)
             {
                 "auto" => ServiceTierEnum.Auto,
                 "default" => ServiceTierEnum.Default,
+                "fast" => ServiceTierEnum.Fast,
                 "flex" => ServiceTierEnum.Flex,
                 "priority" => ServiceTierEnum.Priority,
                 "scale" => ServiceTierEnum.Scale,
diff --git a/src/libs/tryAGI.OpenAI/openapi.yaml b/src/libs/tryAGI.OpenAI/openapi.yaml
index b1e0b8a4..b85b749c 100644
--- a/src/libs/tryAGI.OpenAI/openapi.yaml
+++ b/src/libs/tryAGI.OpenAI/openapi.yaml
@@ -79759,7 +79759,8 @@ components:
             Specifies the processing type used for serving the request.
               - If set to 'auto', then the request will be processed with the service tier configured in the Project settings. Unless otherwise configured, the Project will use 'default'.
               - If set to 'default', then the request will be processed with the standard pricing and performance for the selected model.
-              - If set to '[flex](/docs/guides/flex-processing)' or '[priority](https://openai.com/api-priority-processing/)', then the request will be processed with the corresponding service tier.
+              - If set to '[flex](/docs/guides/flex-processing)', then the request will be processed with the Flex Processing service tier.
+              - To opt-in to [Fast mode](/api/docs/guides/fast-mode) at the request level, include the `service_tier=fast` or `service_tier=priority` parameter for Responses or Chat Completions. The response will show `service_tier=priority` regardless of if you specify `service_tier=fast` or `priority` in your request.
               - When not set, the default behavior is 'auto'.
 
               When the `service_tier` parameter is set, the response body will include the `service_tier` value based on the processing mode actually used to serve the request. This response value may be different from the value set in the parameter.
@@ -79769,6 +79770,7 @@ components:
             - flex
             - scale
             - priority
+            - fast
           default: auto
         - type: 'null'
     SpeechAudioDeltaEvent:
@@ -98286,7 +98288,8 @@ components:
             Specifies the processing type used for serving the request.
               - If set to 'auto', then the request will be processed with the service tier configured in the Project settings. Unless otherwise configured, the Project will use 'default'.
               - If set to 'default', then the request will be processed with the standard pricing and performance for the selected model.
-              - If set to '[flex](/docs/guides/flex-processing)' or '[priority](https://openai.com/api-priority-processing/)', then the request will be processed with the corresponding service tier.
+              - If set to '[flex](/docs/guides/flex-processing)', then the request will be processed with the Flex Processing service tier.
+              - To opt-in to [Fast mode](/api/docs/guides/fast-mode) at the request level, include the `service_tier=fast` or `service_tier=priority` parameter for Responses or Chat Completions. The response will show `service_tier=priority` regardless of if you specify `service_tier=fast` or `priority` in your request.
               - When not set, the default behavior is 'auto'.
 
               When the `service_tier` parameter is set, the response body will include the `service_tier` value based on the processing mode actually used to serve the request. This response value may be different from the value set in the parameter.
@@ -98296,6 +98299,7 @@ components:
             - flex
             - scale
             - priority
+            - fast
           default: auto
         - type: 'null'
     BetaMetadata: