diff --git a/api/libs/agents/src/agent.rs b/api/libs/agents/src/agent.rs
index 904a24499..5b0fd7792 100644
--- a/api/libs/agents/src/agent.rs
+++ b/api/libs/agents/src/agent.rs
@@ -605,8 +605,8 @@ impl Agent {
                 session_id: thread.id.to_string(),
                 trace_id: Uuid::new_v4().to_string(),
             }),
-            temperature: Some(0.0),
-            max_completion_tokens: Some(15000),
+            // temperature: Some(0.0),
+            // max_completion_tokens: Some(15000),
             // reasoning_effort: Some("low".to_string()),
             ..Default::default()
         };
diff --git a/api/libs/agents/src/agents/buster_multi_agent.rs b/api/libs/agents/src/agents/buster_multi_agent.rs
index b4228fc21..a2bbc7859 100644
--- a/api/libs/agents/src/agents/buster_multi_agent.rs
+++ b/api/libs/agents/src/agents/buster_multi_agent.rs
@@ -206,7 +206,7 @@ impl BusterMultiAgent {
 
         // Create agent, passing the selected initialization prompt as default
         let agent = Arc::new(Agent::new(
-            "gpt-4.1".to_string(),
+            "o3-mini".to_string(),
             user_id,
             session_id,
             "buster_multi_agent".to_string(),