diff --git a/llm_client/src/clients/anthropic.rs b/llm_client/src/clients/anthropic.rs
index 00732e48d..6370cc6e0 100644
--- a/llm_client/src/clients/anthropic.rs
+++ b/llm_client/src/clients/anthropic.rs
@@ -242,6 +242,25 @@ struct AnthropicRequest {
 }
 
 impl AnthropicRequest {
+    pub fn new_chat(
+        messages: Vec<AnthropicMessage>,
+        temperature: f32,
+        top_p: Option<f32>,
+        max_tokens: Option<usize>,
+        model_str: String,
+    ) -> Self {
+        AnthropicRequest {
+            system: vec![],
+            messages,
+            tools: vec![],
+            temperature,
+            stream: true,
+            max_tokens,
+            model: model_str,
+            thinking: None,
+        }
+    }
+
     fn from_client_completion_request(
         completion_request: LLMClientCompletionRequest,
         model_str: String,
@@ -336,6 +355,7 @@ impl AnthropicRequest {
             stream: true,
             max_tokens,
             model: model_str,
+            thinking,
         }
     }
 
@@ -349,6 +369,11 @@ impl AnthropicRequest {
             "user".to_owned(),
             completion_request.prompt().to_owned(),
         )];
+        let thinking = completion_request.thinking_budget().map(|budget| AnthropicThinking {
+            r#type: "enabled".to_string(),
+            budget_tokens: budget,
+        });
+
         AnthropicRequest {
             system: vec![],
             messages,
@@ -357,6 +382,7 @@ impl AnthropicRequest {
             stream: true,
             max_tokens,
             model: model_str,
+            thinking,
         }
     }
 }
diff --git a/llm_client/src/clients/types.rs b/llm_client/src/clients/types.rs
index de003ebdf..51b944a41 100644
--- a/llm_client/src/clients/types.rs
+++ b/llm_client/src/clients/types.rs
@@ -712,9 +712,14 @@ impl LLMClientCompletionStringRequest {
             frequency_penalty,
             stop_words: None,
             max_tokens: None,
+            thinking_budget: None,
         }
     }
 
+    pub fn thinking_budget(&self) -> Option<usize> {
+        self.thinking_budget
+    }
+
     pub fn set_stop_words(mut self, stop_words: Vec<String>) -> Self {
         self.stop_words = Some(stop_words);
         self
@@ -748,6 +753,11 @@ impl LLMClientCompletionStringRequest {
     pub fn get_max_tokens(&self) -> Option<usize> {
         self.max_tokens
     }
+
+    pub fn set_thinking_budget(mut self, thinking_budget: usize) -> Self {
+        self.thinking_budget = Some(thinking_budget);
+        self
+    }
 }
 
 impl LLMClientCompletionRequest {
@@ -764,6 +774,7 @@ impl LLMClientCompletionRequest {
             frequency_penalty,
             stop_words: None,
             max_tokens: None,
+            thinking_budget: None,
         }
     }
 
@@ -1040,7 +1051,32 @@ pub trait LLMClient {
 
 #[cfg(test)]
 mod tests {
-    use super::LLMType;
+    use super::*;
+
+    #[test]
+    fn test_thinking_budget() {
+        let request = LLMClientCompletionRequest::new(
+            LLMType::ClaudeSonnet,
+            vec![LLMClientMessage::user("test".to_string())],
+            0.7,
+            None,
+        );
+        assert_eq!(request.thinking_budget(), None);
+
+        let request = request.set_thinking_budget(16000);
+        assert_eq!(request.thinking_budget(), Some(16000));
+
+        let string_request = LLMClientCompletionStringRequest::new(
+            LLMType::ClaudeSonnet,
+            "test".to_string(),
+            0.7,
+            None,
+        );
+        assert_eq!(string_request.thinking_budget(), None);
+
+        let string_request = string_request.set_thinking_budget(16000);
+        assert_eq!(string_request.thinking_budget(), Some(16000));
+    }
 
     #[test]
     fn test_llm_type_from_string() {
@@ -1048,4 +1084,4 @@ mod tests {
         let str_llm_type = serde_json::to_string(&llm_type).expect("to work");
         assert_eq!(str_llm_type, "");
     }
-}
+}
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