diff --git a/src/sequrity/control/types/headers.py b/src/sequrity/control/types/headers.py
index e77ffe3..ac0517d 100644
--- a/src/sequrity/control/types/headers.py
+++ b/src/sequrity/control/types/headers.py
@@ -594,6 +594,10 @@ class ResponseFormatOverrides(BaseModel):
         default=None,
         description="When True, returns only essential result value as plain text, stripping all metadata.",
     )
+    stream_thoughts: bool | None = Field(
+        default=None,
+        description="Whether to stream the model's thinking process in the response.",
+    )
     include_program: bool | None = Field(
         default=None, description="Whether to include the generated program in the response."
     )
@@ -711,6 +715,7 @@ def dual_llm(
         pllm_debug_info_level: DebugInfoLevel | None = None,
         # Response format
         strip_response_content: bool | None = None,
+        stream_thoughts: bool | None = None,
         include_program: bool | None = None,
         include_policy_check_history: bool | None = None,
         include_namespace_snapshot: bool | None = None,
@@ -742,10 +747,17 @@ def dual_llm(
         response_fmt = None
         if any(
             v is not None
-            for v in [strip_response_content, include_program, include_policy_check_history, include_namespace_snapshot]
+            for v in [
+                strip_response_content,
+                stream_thoughts,
+                include_program,
+                include_policy_check_history,
+                include_namespace_snapshot,
+            ]
         ):
             response_fmt = ResponseFormatOverrides(
                 strip_response_content=strip_response_content,
+                stream_thoughts=stream_thoughts,
                 include_program=include_program,
                 include_policy_check_history=include_policy_check_history,
                 include_namespace_snapshot=include_namespace_snapshot,
diff --git a/test/control/test_headers.py b/test/control/test_headers.py
index deb852d..547a74a 100644
--- a/test/control/test_headers.py
+++ b/test/control/test_headers.py
@@ -314,6 +314,7 @@ def test_all_entries_set(self):
             ),
             response_format=ResponseFormatOverrides(
                 strip_response_content=False,
+                stream_thoughts=True,
                 include_program=True,
                 include_policy_check_history=True,
                 include_namespace_snapshot=True,