diff --git a/instrumentation/opentelemetry-instrumentation-genai-openai/.changelog/709.fixed b/instrumentation/opentelemetry-instrumentation-genai-openai/.changelog/709.fixed
new file mode 100644
index 000000000..12b04168a
--- /dev/null
+++ b/instrumentation/opentelemetry-instrumentation-genai-openai/.changelog/709.fixed
@@ -0,0 +1 @@
+Do not record `gen_ai.request.stream` on `fetch_response` spans.
diff --git a/instrumentation/opentelemetry-instrumentation-genai-openai/src/opentelemetry/instrumentation/genai/openai/patch_responses.py b/instrumentation/opentelemetry-instrumentation-genai-openai/src/opentelemetry/instrumentation/genai/openai/patch_responses.py
index 01ff3b0f1..18c185b1f 100644
--- a/instrumentation/opentelemetry-instrumentation-genai-openai/src/opentelemetry/instrumentation/genai/openai/patch_responses.py
+++ b/instrumentation/opentelemetry-instrumentation-genai-openai/src/opentelemetry/instrumentation/genai/openai/patch_responses.py
@@ -19,7 +19,6 @@
     get_fetch_response_creation_kwargs,
     get_inference_creation_kwargs,
     get_response_error,
-    is_streamed_raw_response,
     set_fetch_response_attributes,
     set_invocation_response_attributes,
 )
@@ -215,11 +214,6 @@ def _start_fetch_response_invocation(
 ) -> FetchResponseInvocation:
     invocation = handler.fetch_response(
         **get_fetch_response_creation_kwargs(response_id, instance),
-        request_stream=(
-            True
-            if is_streaming(kwargs) or is_streamed_raw_response(kwargs)
-            else None
-        ),
     )
     invocation.stream_cursor = _get_stream_cursor(kwargs)
     invocation.attributes[OpenAIAttributes.OPENAI_API_TYPE] = (
diff --git a/instrumentation/opentelemetry-instrumentation-genai-openai/tests/test_async_responses.py b/instrumentation/opentelemetry-instrumentation-genai-openai/tests/test_async_responses.py
index 30a86368c..bc7deac90 100644
--- a/instrumentation/opentelemetry-instrumentation-genai-openai/tests/test_async_responses.py
+++ b/instrumentation/opentelemetry-instrumentation-genai-openai/tests/test_async_responses.py
@@ -380,7 +380,6 @@ async def test_async_responses_retrieve_streaming(
         response_model=response.model,
         response_status="completed",
         finish_reasons=("stop",),
-        request_stream=True,
         stream_cursor=str(RETRIEVE_STREAM_CURSOR),
         response_service_tier=response.service_tier,
     )
@@ -455,7 +454,7 @@ async def test_async_responses_retrieve_with_streaming_response_stays_lazy(
         span.attributes[GenAIAttributes.GEN_AI_RESPONSE_ID]
         == RETRIEVE_RESPONSE_ID
     )
-    assert span.attributes[GenAIAttributes.GEN_AI_REQUEST_STREAM] is True
+    assert GenAIAttributes.GEN_AI_REQUEST_STREAM not in span.attributes
     assert response.id == RETRIEVE_RESPONSE_ID
 
 
diff --git a/instrumentation/opentelemetry-instrumentation-genai-openai/tests/test_responses.py b/instrumentation/opentelemetry-instrumentation-genai-openai/tests/test_responses.py
index 4099894e2..fddda91f1 100644
--- a/instrumentation/opentelemetry-instrumentation-genai-openai/tests/test_responses.py
+++ b/instrumentation/opentelemetry-instrumentation-genai-openai/tests/test_responses.py
@@ -417,7 +417,6 @@ def test_responses_retrieve_streaming(
         response_model=response.model,
         response_status="completed",
         finish_reasons=("stop",),
-        request_stream=True,
         stream_cursor=str(RETRIEVE_STREAM_CURSOR),
         response_service_tier=response.service_tier,
     )
@@ -476,7 +475,7 @@ def test_responses_retrieve_with_streaming_response_stays_lazy(
         span.attributes[GenAIAttributes.GEN_AI_RESPONSE_ID]
         == RETRIEVE_RESPONSE_ID
     )
-    assert span.attributes[GenAIAttributes.GEN_AI_REQUEST_STREAM] is True
+    assert GenAIAttributes.GEN_AI_REQUEST_STREAM not in span.attributes
     assert response.id == RETRIEVE_RESPONSE_ID
 
 
diff --git a/instrumentation/opentelemetry-instrumentation-genai-openai/tests/test_utils.py b/instrumentation/opentelemetry-instrumentation-genai-openai/tests/test_utils.py
index c876f931a..b9c9894b6 100644
--- a/instrumentation/opentelemetry-instrumentation-genai-openai/tests/test_utils.py
+++ b/instrumentation/opentelemetry-instrumentation-genai-openai/tests/test_utils.py
@@ -386,7 +386,6 @@ def assert_fetch_response_attributes(
     response_model: str | None = None,
     response_status: str | None = None,
     finish_reasons: tuple | None = None,
-    request_stream: bool | None = None,
     stream_cursor: str | None = None,
     response_service_tier: str | None = None,
     server_address: str = "api.openai.com",
@@ -419,6 +418,7 @@ def assert_fetch_response_attributes(
     assert GenAIAttributes.GEN_AI_USAGE_OUTPUT_TOKENS not in span.attributes
     assert GenAIAttributes.GEN_AI_REQUEST_MODEL not in span.attributes
     assert GenAIAttributes.GEN_AI_INPUT_MESSAGES not in span.attributes
+    assert GenAIAttributes.GEN_AI_REQUEST_STREAM not in span.attributes
 
     _assert_optional_attribute(
         span, GenAIAttributes.GEN_AI_RESPONSE_MODEL, response_model
@@ -427,9 +427,6 @@ def assert_fetch_response_attributes(
     _assert_optional_attribute(
         span, GenAIAttributes.GEN_AI_RESPONSE_FINISH_REASONS, finish_reasons
     )
-    _assert_optional_attribute(
-        span, GenAIAttributes.GEN_AI_REQUEST_STREAM, request_stream
-    )
     _assert_optional_attribute(
         span, GEN_AI_REQUEST_STREAM_CURSOR, stream_cursor
     )