diff --git a/Directory.Packages.props b/Directory.Packages.props
index d5721a14..4b450020 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -46,7 +46,7 @@
     <PackageVersion Include="Whisper.net.Runtime" Version="1.8.1" />
     <PackageVersion Include="NCrontab" Version="3.3.3" />
     <PackageVersion Include="Azure.AI.OpenAI" Version="2.2.0-beta.5" />
-    <PackageVersion Include="OpenAI" Version="2.2.0-beta.4" />
+    <PackageVersion Include="OpenAI" Version="2.3.0" />
     <PackageVersion Include="MailKit" Version="4.11.0" />
     <PackageVersion Include="Microsoft.Data.Sqlite" Version="8.0.8" />
     <PackageVersion Include="MySql.Data" Version="9.0.0" />
diff --git a/src/Infrastructure/BotSharp.Abstraction/Agents/Constants/LlmConstant.cs b/src/Infrastructure/BotSharp.Abstraction/Agents/Constants/LlmConstant.cs
index e45c8b15..3919ca57 100644
--- a/src/Infrastructure/BotSharp.Abstraction/Agents/Constants/LlmConstant.cs
+++ b/src/Infrastructure/BotSharp.Abstraction/Agents/Constants/LlmConstant.cs
@@ -3,5 +3,4 @@ namespace BotSharp.Abstraction.Agents.Constants;
 public static class LlmConstant
 {
     public const int DEFAULT_MAX_OUTPUT_TOKEN = 1024;
-    public const string DEFAULT_REASONING_EFFORT_LEVEL = "low";
 }
diff --git a/src/Infrastructure/BotSharp.Abstraction/Agents/Models/AgentLlmConfig.cs b/src/Infrastructure/BotSharp.Abstraction/Agents/Models/AgentLlmConfig.cs
index 75e3aa93..f1df3a01 100644
--- a/src/Infrastructure/BotSharp.Abstraction/Agents/Models/AgentLlmConfig.cs
+++ b/src/Infrastructure/BotSharp.Abstraction/Agents/Models/AgentLlmConfig.cs
@@ -34,11 +34,4 @@ public class AgentLlmConfig
     [JsonPropertyName("max_output_tokens")]
     [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
     public int? MaxOutputTokens { get; set; }
-
-    /// <summary>
-    /// Reasoning effort level
-    /// </summary>
-    [JsonPropertyName("reasoning_effort_level")]
-    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
-    public string? ReasoningEffortLevel { get; set; }
 }
diff --git a/src/Plugins/BotSharp.Plugin.MongoStorage/Models/AgentLlmConfigMongoElement.cs b/src/Plugins/BotSharp.Plugin.MongoStorage/Models/AgentLlmConfigMongoElement.cs
index 63bc3b20..21c99e34 100644
--- a/src/Plugins/BotSharp.Plugin.MongoStorage/Models/AgentLlmConfigMongoElement.cs
+++ b/src/Plugins/BotSharp.Plugin.MongoStorage/Models/AgentLlmConfigMongoElement.cs
@@ -10,7 +10,6 @@ public class AgentLlmConfigMongoElement
     public bool IsInherit { get; set; }
     public int MaxRecursionDepth { get; set; }
     public int? MaxOutputTokens { get; set; }
-    public string? ReasoningEffortLevel { get; set; }
 
     public static AgentLlmConfigMongoElement? ToMongoElement(AgentLlmConfig? config)
     {
@@ -22,8 +21,7 @@ public class AgentLlmConfigMongoElement
             Model = config.Model,
             IsInherit = config.IsInherit,
             MaxRecursionDepth = config.MaxRecursionDepth,
-            MaxOutputTokens = config.MaxOutputTokens,
-            ReasoningEffortLevel = config.ReasoningEffortLevel
+            MaxOutputTokens = config.MaxOutputTokens
         };
     }
 
@@ -37,8 +35,7 @@ public class AgentLlmConfigMongoElement
             Model = config.Model,
             IsInherit = config.IsInherit,
             MaxRecursionDepth = config.MaxRecursionDepth,
-            MaxOutputTokens = config.MaxOutputTokens,
-            ReasoningEffortLevel = config.ReasoningEffortLevel
+            MaxOutputTokens = config.MaxOutputTokens
         };
     }
 }
diff --git a/src/Plugins/BotSharp.Plugin.OpenAI/Providers/Chat/ChatCompletionProvider.cs b/src/Plugins/BotSharp.Plugin.OpenAI/Providers/Chat/ChatCompletionProvider.cs
index c9318d79..9eec0c1e 100644
--- a/src/Plugins/BotSharp.Plugin.OpenAI/Providers/Chat/ChatCompletionProvider.cs
+++ b/src/Plugins/BotSharp.Plugin.OpenAI/Providers/Chat/ChatCompletionProvider.cs
@@ -504,42 +504,13 @@ public class ChatCompletionProvider : IChatCompletion
                         ? tokens
                         : agent.LlmConfig?.MaxOutputTokens ?? LlmConstant.DEFAULT_MAX_OUTPUT_TOKEN;
 
-        var level = state.GetState("reasoning_effort_level")
-                         .IfNullOrEmptyAs(agent?.LlmConfig?.ReasoningEffortLevel ?? string.Empty)
-                         .IfNullOrEmptyAs(LlmConstant.DEFAULT_REASONING_EFFORT_LEVEL);
-        var reasoningEffortLevel = ParseReasoningEffortLevel(level);
-
         return new ChatCompletionOptions()
         {
             Temperature = temperature,
-            MaxOutputTokenCount = maxTokens,
-            ReasoningEffortLevel = reasoningEffortLevel
+            MaxOutputTokenCount = maxTokens
         };
     }
 
-    private ChatReasoningEffortLevel? ParseReasoningEffortLevel(string? level)
-    {
-        if (string.IsNullOrWhiteSpace(level) || !_defaultTemperature.ContainsKey(_model))
-        {
-            return null;
-        }
-
-        var effortLevel = ChatReasoningEffortLevel.Low;
-        switch (level.ToLower())
-        {
-            case "medium":
-                effortLevel = ChatReasoningEffortLevel.Medium;
-                break;
-            case "high":
-                effortLevel = ChatReasoningEffortLevel.High;
-                break;
-            default:
-                break;
-        }
-
-        return effortLevel;
-    }
-
     public void SetModelName(string model)
     {
         _model = model;